Develop Bugs

[Q] Maximum clock (cpu) speed

Hello.
My friend say that he can over clock this thing to 1.5 ghz but i don't believe him.
So what is the maximum clock speed?

800mhz and it's unstable.
Your friend is bullshitting. No way can a lower end single core be clocked that fast, it would simply just burn out.

hene193 said:
Hello.
My friend say that he can over clock this thing to 1.5 ghz but i don't believe him.
So what is the maximum clock speed?
Click to expand...
Click to collapse
+1 and A very very big lie of your friend
Sent from my HTC Wildfire S A510e using xda premium

You can't oveclock over 800 mhz. Ok maybe i lie, you can overclock over 800 mhz but it be hot like sun in core. sorry for my English

imlgl said:
800mhz and it's unstable.
Your friend is bullshitting. No way can a lower end single core be clocked that fast, it would simply just burn out.
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Hahahahaha... Your wrong. My MARVEL is totally stable and well... read my signature

benjamingwynn said:
Hahahahaha... Your wrong. My MARVEL is totally stable and well... read my signature
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Click to collapse
There is absolutely no rule of thumb for overclocking.
One CPU might handle 800+ MHz (806 MHz seems to be reached by benjamingwynn - nice speed!) and other might handle only 760-780 MHz stable for example. Don't forget that overclocking isn't an exact science. It more like an art!
It depends on many variables: the batch, the place in the wafer where you CPU came from, the voltage you're pumping, the cooling provided, etc.
Some CPU's don't need much voltage in order to scale speed, others need a big voltage increase in order to handle the extra speed. And there are others that simply don't scale well and can only handle weak overclocks.
And of course there is always a theoretical limit.
Anyone who says that he/she can overclock a 600MHz CPU to 1.5GHz lies with all the teeth and is an ignorant, with all due respect.
I know no CPU in the world that can overclock to 150%. Not even with extreme cooling (Liquid Nitrogen or other Subzero solutions) and other crazy mods. Now imagine this on a small device like a smartphone, where you can't properly change the cooling of the CPU in order to cope with the extra heat generated.
The phone would most likely burn in smokes.
I know a little bit about this matter because I have experience in overclocking PC CPU's. I know most about Intel CPU's (Dual and Quad-Cores, still haven't touched a hexa-core...), cooled on air or with liquid cooling.
The PC I work with every day has a Quad-Core CPU that is 3.2 GHz stock (QX9770) and is running at 4 GHz. It can handle more but the extra heat and voltage needed isn't worth the extra speed (and the accelerated degradation of the CPU).
Sorry for the offtopic guys but I had to reply to this anecdote.

miguelca said:
There is absolutely no rule of thumb for overclocking.
One CPU might handle 800+ MHz (806 MHz seems to be reached) and other might handle only 766 MHz stable for example. Don't forget that overclocking isn't an exact science. It more like an art!
It depends on many variables: the batch, the place in the wafer where you CPU came from, the voltage you're pumping, the cooling provided, etc.
Some CPU's don't need much voltage in order to scale speed, others need a big voltage increase in order to handle the extra speed. And there are others that simply don't scale well and handle weak overclocks.
And of course there is always a theoretical limit.
Anyone who says that he/she can overclock a 600MHz CPU to 1.5GHz lies with all the teeth and is an ignorant, with all due respect.
There is no CPU in the world that can overclock to 150%. Not even with extreme cooling (Liquid Nitrogen or other Subzero solutions) and other crazy mods. Now imagine this on a small device like a smartphone, where you can't properly change the cooling of the CPU in order to cope with the extra heat generated.
The phone would most likely burn in smokes.
I know a little bit about this matter because I have experience in overclocking PC CPU's. I know most about Intel CPU's (Dual and Quad-Cores, still haven't touched a hexa-core...), cooled on air or with liquid cooling.
The PC I work with every day has a Quad-Core CPU that is 3.2 GHz stock (QX9770) and is running at 4 GHz. It can handle more but the extra heat and voltage needed isn't worth the extra speed (and the accelerated degradation of the CPU).
Sorry for the offtopic guys but I had to reply to this anecdote.
Click to expand...
Click to collapse
Totally agree.
great explanation for anyone wondering why their device won't overclock like somebody else's.

miguelca said:
There is absolutely no rule of thumb for overclocking.
One CPU might handle 800+ MHz (806 MHz seems to be reached by benjamingwynn - nice speed!) and other might handle only 760-780 MHz stable for example. Don't forget that overclocking isn't an exact science. It more like an art!
It depends on many variables: the batch, the place in the wafer where you CPU came from, the voltage you're pumping, the cooling provided, etc.
Some CPU's don't need much voltage in order to scale speed, others need a big voltage increase in order to handle the extra speed. And there are others that simply don't scale well and can only handle weak overclocks.
And of course there is always a theoretical limit.
Anyone who says that he/she can overclock a 600MHz CPU to 1.5GHz lies with all the teeth and is an ignorant, with all due respect.
I know no CPU in the world that can overclock to 150%. Not even with extreme cooling (Liquid Nitrogen or other Subzero solutions) and other crazy mods. Now imagine this on a small device like a smartphone, where you can't properly change the cooling of the CPU in order to cope with the extra heat generated.
The phone would most likely burn in smokes.
I know a little bit about this matter because I have experience in overclocking PC CPU's. I know most about Intel CPU's (Dual and Quad-Cores, still haven't touched a hexa-core...), cooled on air or with liquid cooling.
The PC I work with every day has a Quad-Core CPU that is 3.2 GHz stock (QX9770) and is running at 4 GHz. It can handle more but the extra heat and voltage needed isn't worth the extra speed (and the accelerated degradation of the CPU).
Sorry for the offtopic guys but I had to reply to this anecdote.
Click to expand...
Click to collapse
Well said. This is very off topic but how would you overclock on windows? You have to mess about with the kernel right?
Sent from my HTC Wildfire using xda premium

Normally from the BIOS.
But you can also overclock from within windows using certain applications.
BIOS is the better option.

intel007 said:
Normally from the BIOS.
But you can also overclock from within windows using certain applications.
BIOS is the better option.
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Click to collapse
I got a laptop and I bet you haven't seen the BIOS setup on a Sininia 510 or you would break down crying.
Sent from my HTC Wildfire using xda premium

benjamingwynn said:
I got a laptop and I bet you haven't seen the BIOS setup on a Sininia 510 or you would break down crying.
Sent from my HTC Wildfire using xda premium
Click to expand...
Click to collapse
A lot of laptops have crippled bios's so there is no overclock options mainly due to the heat/cooling factor.
Laptops run pretty hot already.
Does your laptop have any overclock/frequency Settings?

benjamingwynn said:
Well said. This is very off topic but how would you overclock on windows? You have to mess about with the kernel right?
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Click to collapse
All the finetuning (voltages and so on) is done in the BIOS. My motherboard is actually designed for overclocking.
It's an "old" Asus Rampage Extreme.
You would be amazed with the amount of settings it has!
It also comes with Windows software that allows some realtime adjustments but the "core" lies in the BIOS.
Sent from my HTC Wildfire S A510e using XDA App

wildfire-chaos said:
You can't oveclock over 800 mhz. Ok maybe i lie, you can overclock over 800 mhz but it be hot like sun in core. sorry for my English
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Click to collapse
806 here and never frozen once in months...Runs cool too. Once of the lucky ones I guess.

Yep I'm in the 806 club too.

intel007 said:
Yep I'm in the 806 club too.
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Click to collapse
Mine also runes ok with 806 setting
miguelca i'am on 1055t oc'ed to 3.9 24h...(hyper 212+ push-pull)

I'm running on 768 and it is fast enough. You can feel that the device gets warmer with 806 and needs a bit more battery.

aigaming said:
Mine also runes ok with 806 setting
miguelca i'am on 1055t oc'ed to 3.9 24h...(hyper 212+ push-pull)
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Click to collapse
Nice OC aigaming! but never forget that CPU's do degrade over time, even if some people tell you the contrary.
If you keep your CPU cool and don't give it too much voltage to "eat", then everything should be fine for a long time. Still don't abuse it too much, this is my personal advice.
You have a nice cooler and with a push pull config it should keep things cool.
Mine is an old Tuniq Tower 120 (copper block lapped by me when I still had lots of patience) with the stock fan changed. I don't use the fan controller that came with the cooler btw.
My CPU used to be cooled on liquid but I have a way too limited case in order to accomodate the radiators, pump, reservatory, etc. Sold all the gear.
Keeping my beast at 4GHz on air is VERY NICE.
Once again sorry for the offtopic guys. I had to reply to this. I know I could have used a PM but I'm in a hurry.
I wish the HTC 2.3.5 RUU would have a kernel with overclock option for the CPU...
Anyone available to change the HTC RUU with an overclockable kernel?
Or am I saying nonsense? Probably CRC check would fail and I could only flash it with temp-root, right?
Would really appreciate being able to push my CPU just a little bit more...

The only single-cores I know of that can actually reach 1.5Ghz overclocked are devices running a Qualcomm MSM7x30 (Desire Z) or an MSM8255 (Desire HD/Xperia Play/Sensation XL [stock speed, same processor]/etc).

overclock 1.6ghz

anyone got this overclocked

mox123 said:
anyone got this overclocked
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Click to collapse
And instantly overheated? :cyclops:

Yes .
Sent from my HTC One X using Tapatalk 2

Gpu overclock would be more useful than CPU.
Sent from my HTC One X using xda app-developers app

treebill said:
Gpu overclock would be more useful than CPU.
Sent from my HTC One X using xda app-developers app
Click to expand...
Click to collapse
ok gpu overclock then?

I would overclock my HOX...in a block of ice. Or...well, in real life i dont want to overclock it because it would smoke out in my hand
Overheating is a big problem even without overclocking, imagine it running on 1,6ghz...
Sent from my Renovated HTC One X using Tapatalk 2

Can't really see why you would want to overclock the One X, the phone is blazing fast anyway, 4 cores at 1.5 is enough..
But like everybody else said, the phone would probably burn up..

I wouldnt overclock my device - at least not at the stage we reached now.
Why?
a) As long as there is no way to lower the voltage this might toast your device - its a unibody, keep that in mind!
b) 100 MHZ more would have literally no effect - its a 6 GHZ device, even if you boost it up to 6,4 - you wont notice, it will just drain your battery.
6 GHZ is WAY enough...this is smartphone...I mean...seriously...its got more power than my 4 years old 1K €uro notebook...

Illux said:
I wouldnt overclock my device - at least not at the stage we reached now.
Why?
a) As long as there is no way to lower the voltage this might toast your device - its a unibody, keep that in mind!
b) 100 MHZ more would have literally no effect - its a 6 GHZ device, even if you boost it up to 6,4 - you wont notice, it will just drain your battery.
6 GHZ is WAY enough...this is smartphone...I mean...seriously...its got more power than my 4 years old 1K €uro notebook...
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Click to collapse
well first of all you can't just multiply the frequency by the number of cores. I'd much prefer an actual 6Ghz single core processor over 4x1.5Ghz because it won't have any compatibility and efficiency issues. Assuming they are of the same architecture and power usage of course.
Also the ARM low power SOCs probably don't have comparable number of commands per clock cycle as an x86 high performance CPU, even if it's 4 years old.

jacobgong said:
well first of all you can't just multiply the frequency by the number of cores. I'd much prefer an actual 6Ghz single core processor over 4x1.5Ghz because it won't have any compatibility and efficiency issues. Assuming they are of the same architecture and power usage of course.
Also the ARM low power SOCs probably don't have comparable number of commands per clock cycle as an x86 high performance CPU, even if it's 4 years old.
Click to expand...
Click to collapse
i agree.. when the multi-core CPUs first came out intel said doubling the core number would give as 47% boost in total performance (not x2 like apple says as they do not know it) lets assume that to be %50 to make the math a little bit easier..
so basically we can make the math here as; 4 cores at 1.2Ghz (when the all 4 active the clock is 1.2Ghz) gives us 1.2 x 3/2 x 3/2= 2.7 Ghz single core performance.. this value for SGS3 is; 1.4 x 3/2 x 3/2= 3.15Ghz
and here we can say dual core at (X) Ghz gives us (X) x 3/2=2.7 thus the (X) = 1.8 Ghz.. so, if you overclock any arm9 based Dual CPU to 1.8 Ghz you get the same performance "on paper".. if you want to catch up with SGS3 we need to OC it to 2.1 Ghz which is impossible at the moment i guess..
what makes the difference here is the lower loads or multiple loads on the CPU.. corecontrol users probably would have noticed; sometimes when the all 4 core are active the clock is only 480 or 640 Mhz (even 320 sometimes if i remember correctly) .. the same amount of load could be taken care of by a dual core at about 720 or 960Mhz.. but here the quad core system stays cooler with a little less energy consumed (or wasted) (as long as all the cores are in one uni-body structure, putting 2 or 4 single cores phsically together is not the case for our smartphones) this is how apple made sure about the smoothness of the ipad 2, new ipad and the iphone 4s.. they used lower clocked 2 power vr 543 GPUs.. when the load is little they can clock down to very low speeds and share the load..
and also you can always find an emtpy core waiting for new task when the others are busy..
so, long story for short; if we were dealing with a little amount but hard processes, having a single core at 2.7Ghz would be good since the quad core design would not cut one task into 4 pieces... as long as we were not thinking about the battery life and the heat.. but since we are dealing with lots of tasks which all could be handled by 1.2Ghz power having 4 cores is better for battery saving and having an empty core for a new task to run parallel with the other running tasks in the background..

It is OC out of the box I think Nvidia OC them for us and it's already pushing itself at the very edge of what is possible for it to do based on temperature, I seem to remember Hamdir saying something along those lines once upon a time...
Why bother to OC it's fast enough as it is.
---EDIT---
hamdir said:
only faux kernel betas allow OC
big warning OC is bad for the HOX given the thermal envelope
you are risking both you battery and processor if you OC
i know you are used to OC from other devices but those had headroom, it is not the case this time, T3 is operating at its max thermal capabilities on the HOX
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Click to collapse
hamdir said:
the snapdragon 2 on the Arc had a lot of headroom
the chipset is rated @ 1.5ghz stable!
not the case with T3 its milking the very maximum of the 40nm process
in other words Nvidia is OCing its T3 out of box because their chips are designed to survive massive amount of heat (sadly it doesnt mean the battery or other components would survive)
it is already Overclocked lol
sometimes you have to listen to the "science" of it and surrender
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Click to collapse

HTC One X CPU Overclocking???

Can someone tell me where I can find over-clock able kernel for my international One X? And what is the biggest clock speed on ONE X?

At present faux kernel can oc depending on what variant CPU you have but max at 1.6ghz
I have a v2 and can do 1.55 quad fine
Sent from my HTC One X using xda app-developers app

Eternity Project has an OC version up to 1.7GHz single core and 1.6GHz quad core

ZeroInfinity said:
Eternity Project has an OC version up to 1.7GHz single core and 1.6GHz quad core
Click to expand...
Click to collapse
Can you post link?

stefan063 said:
Can you post link?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1640532
Be careful of OC, always remember, not all chips are made equal

About last Repacked Eternity Project for ARHD 9.x.x
Hello,
I try the Last repacked eternity project kernel for ARHD 9.x.x the Kernel: 3.4 v0.38 (Overclocked) at :
http://forum.xda-developers.com/showthread.php?t=1654982
But the module file was repacked for CMW ROM.
Who find good repacked module corresponding to this kernel ?
Thank you for jour help.

Underclock
As this thread is about setting CPU speeds, can somebody help me with my problem as no one is responding?
Its about underclocking..
http://forum.xda-developers.com/showthread.php?t=1868011
Thanks in advance!

how does the OC work? i mean then running all our core it is limited to 1.2 ghz and is 1.5 on a single core.
does that men all cores run at the OC value or just the single core?
Sent from my Transformer TF101 using xda app-developers app

I suggest you flash faux's kernel.
It can oc to 1.6GHZ for most user~
and it support s2W!

I expect many users will be aware of this information, but just in case you aren't.
Anyone overclocking should be aware that this will usually lead to higher power consumption which leads to more heat produced and lower battery life.
Especially if it is necessary to overvolt to acheive higher clock frequencies with stability.
Power consumption is proportional to Voltage squared, so small increases in core coltage can result in larger increases in power consumption than mught be thought.
Needless to say this can have negative impacts on battery discharge time and overall life (due to higher temperatures).
Plus there may be some throttling back of frequency if high temperatures are reached. Also possible that frequency may be reduced to 1Ghz maximum when battery voltage is low (i.e when discharged)
Hope this is helpful (first post here)

paul_59 said:
I expect many users will be aware of this information, but just in case you aren't.
Anyone overclocking should be aware that this will usually lead to higher power consumption which leads to more heat produced and lower battery life.
Especially if it is necessary to overvolt to acheive higher clock frequencies with stability.
Power consumption is proportional to Voltage squared, so small increases in core coltage can result in larger increases in power consumption than mught be thought.
Needless to say this can have negative impacts on battery discharge time and overall life (due to higher temperatures).
Plus there may be some throttling back of frequency if high temperatures are reached. Also possible that frequency may be reduced to 1Ghz maximum when battery voltage is low (i.e when discharged)
Hope this is helpful (first post here)
Click to expand...
Click to collapse
CPU throttle starts at 85c with thermal TJ-max of 99c.
also there is many debates about this, higher speed need more power which drains battery, but that said it means work gets faster meaning it can idle faster saving power, same the other side slower speeds save power but take longer to get work done using more power.
Sent from my Transformer TF101 using xda app-developers app

stefan063 said:
Can someone tell me where I can find over-clock able kernel for my international One X? And what is the biggest clock speed on ONE X?
Click to expand...
Click to collapse
Go to Faux123 and read the opening post
http://forum.xda-developers.com/showthread.php?t=1647993
it will teach you about Tegra 3 variants.
Flash Faux123 latest kernel to know what variant you have.
You can have 1.5ghz quadcore minimum, except if you have the poor variant0 of the Tegra 3, and 1.6ghz quadcore max if you have variant 3
So the overclocking you can achieve depends on your Tegra 3 variant, whatever the kernel, don't trust the figures in kernel threads titles, they just give the max if you have variant 3. And the majority of people have variant 1 so limited to 1.5ghz quadcore and there's nothing to do about it, no future kernel can change the way your CPU was manufactured.
Just, SetCPU can display 1.6ghz or more, but if you have variant 0 or 1 it will never use it (CPUspy will say 1550 and 1600 are unused frequencies)
Variant 1 can go upt to 1550mhz but not for quadcore, so who cares....! Same for kernels claiming up to 1.7ghz, it's in single/dual core, so once more, who cares?
What is important is what max speed you can achieve in quadcore, nothing else, and the limits are clearly defined by your Tegra3 variant
"all chips are not created equal" was a silly bull**** invented more than one year ago as an easy answer to noobs claiming they couldn't overclock their dual core at their max. Now, on the One-X and because of Nvidia unstable quality"all chips are not created equal" is sadly the truth.
PS: wrong=> to say that overclocking means more voltage, undervolting a custom kernel a little can surprisingly reduce heat when you push your CPU to its max,I can have both 1500mhz quadcore and less voltage than stock, as well as less heat (I was surprised, really, on the Sensation I had always found undervolting kinda useless)
PPS: true=> thermal throttle will always come pretty soon and reduce your max speed......

i900frenchaddict said:
Go to Faux123 and read the opening post
http://forum.xda-developers.com/showthread.php?t=1647993
it will teach you about Tegra 3 variants.
Flash Faux123 latest kernel to know what variant you have.
You can have 1.5ghz quadcore minimum, except if you have the poor variant0 of the Tegra 3, and 1.6ghz quadcore max if you have variant 3
So the overclocking you can achieve depends on your Tegra 3 variant, whatever the kernel, don't trust the figures in kernel threads titles, they just give the max if you have variant 3. And the majority of people have variant 1 so limited to 1.5ghz quadcore and there's nothing to do about it, no future kernel can change the way your CPU was manufactured.
Just, SetCPU can display 1.6ghz or more, but if you have variant 0 or 1 it will never use it (CPUspy will say 1550 and 1600 are unused frequencies)
Variant 1 can go upt to 1550mhz but not for quadcore, so who cares....! Same for kernels claiming up to 1.7ghz, it's in single/dual core, so once more, who cares?
What is important is what max speed you can achieve in quadcore, nothing else, and the limits are clearly defined by your Tegra3 variant
"all chips are not created equal" was a silly bull**** invented more than one year ago as an easy answer to noobs claiming they couldn't overclock their dual core at their max. Now, on the One-X and because of Nvidia unstable quality"all chips are not created equal" is sadly the truth.
PS: wrong=> to say that overclocking means more voltage, undervolting a custom kernel a little can surprisingly reduce heat when you push your CPU to its max,I can have both 1500mhz quadcore and less voltage than stock, as well as less heat (I was surprised, really, on the Sensation I had always found undervolting kinda useless)
PPS: true=> thermal throttle will always come pretty soon and reduce your max speed......
Click to expand...
Click to collapse
Nice words and I just won't to add variant 1 can now go to 1.55ghz with faux 07vf I'm currently usein with the lowest most stable undervolt values and less heat than stock kernel and gameplay is amazing also on arhd 9.4
Sent from my HTC One X using xda premium

treebill said:
CPU throttle starts at 85c with thermal TJ-max of 99c.
also there is many debates about this, higher speed need more power which drains battery, but that said it means work gets faster meaning it can idle faster saving power, same the other side slower speeds save power but take longer to get work done using more power.
Sent from my Transformer TF101 using xda app-developers app
Click to expand...
Click to collapse
Your argument makes sense, but unless the governor is very efficient at controlling the CPU speed very quickly, in most cases your argument doesn’t hold true. For example when playing a game or running a CPU intensive application (where overclocking has any use) the processor works at full speed for the duration of the application.
EDIT: Frankly I don’t see any point in overclocking a phone like One X. I don’t play many games, but the few games I have played ran very smoothly. And if people are overclocking because of the (barely noticeable) laggy UI then overclocking is not a real fix anyway. Installing a custom ROM (perhaps JB), a different launcher, tweaking background apps/services are some of the more sensible and effective things to do instead.
No disrespect to the devs who are working on overclocking, but IMO HTC and nVidia must have spent a considerable amount of time and effort designing the CPU and deciding the optimal operational parameters to maximize performance while minimizing battery drain. Therefore anything out of those parameters (in theory at least) should impact either stability, or battery life. Perhaps the values HTC has decided are not the maximum possible values , because I assume they would have designed the phone to handle few exceptional conditions (i.e: extremely hot weathers). But I think over clocking would probably cause more problems in the long run than whatever the little gains you experience in short term. Just my 2c.

joewong1991 said:
Nice words and I just won't to add variant 1 can now go to 1.55ghz with faux 07vf I'm currently usein with the lowest most stable undervolt values and less heat than stock kernel and gameplay is amazing also on arhd 9.4
Sent from my HTC One X using xda premium
Click to expand...
Click to collapse
Late reply, I hope you'll read it anyway
I tried faux 007b5, so overclock free too, I had 1.55ghz indeed, but never for quadcore, just for single or dual. Sadly I wasn't able to reach 1.5ghz quadcore but 1.4
With 007u, I have 1.5ghz quadcore, but 1.55 is an unused frequency
Can you check, with tegrastats, if you reach 1.55ghz quadcore or only for 1,2 (or3??) cores?

i900frenchaddict said:
Late reply, I hope you'll read it anyway
I tried faux 007b5, so overclock free too, I had 1.55ghz indeed, but never for quadcore, just for single or dual. Sadly I wasn't able to reach 1.5ghz quadcore but 1.4
With 007u, I have 1.5ghz quadcore, but 1.55 is an unused frequency
Can you check, with tegrastats, if you reach 1.55ghz quadcore or only for 1,2 (or3??) cores?
Click to expand...
Click to collapse
I tried tegrastats and I got 1.55 4 cores for about 20 sec and then 2 shut of and then ran 2 at 1150 playin dead trigger and on cod zombies 2 cores at 1350 witch I find strange faux 0105b
Sent from my HTC One X using xda premium

1.8 or 2.3

Hi just wondering what's the big difference between 1.8 and 2.3 just wondered as is it worth buying the 2.3 if I got the 1.8 thank you

rowbaggie22 said:
Hi just wondering what's the big difference between 1.8 and 2.3 just wondered as is it worth buying the 2.3 if I got the 1.8 thank you
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Click to collapse
Depends on what you plan to do with the device. If you are going to use it for some high end gaming (Gameloft, Ubisoft, etc.) then yes, the extra .5Ghz will help increase the frame rate.
For normal use (web browsing, flappy bird, etc) there wont be much performance difference.

Not really much a gamer

rowbaggie22 said:
Not really much a gamer
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The 1.8Ghz should work fine for you then. It can run the simple stuff with no problem.
Sent from my ASUS_Z00AD using XDA Free mobile app

The 1.8GHz version might even have better battery life because of that and because it powers half the RAM.
The cpu is quite powerful so most the time the phone runs at lowest frequency step of 500MHz anyway.
I have the 2.3GHz version but I'm actually running my phone capped at 1.8GHz anyway to see if battery life difference is significant.

I have the the ze551ml variant with 1.8 cpu and 4gb ram. I think that the device run smoothly also with heavy games.. and you have the advantage of lower consumption of battery...

avicho said:
I have the the ze551ml variant with 1.8 cpu and 4gb ram. I think that the device run smoothly also with heavy games.. and you have the advantage of lower consumption of battery...
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Did you limit your frequency at 1.8? How so? Don't you need a custom kernel for that?

MironV said:
Did you limit your frequency at 1.8? How so? Don't you need a custom kernel for that?
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Not at all. I just bought zenfone 2 version with built in 1.8 cpu and 4gb ram...

avicho said:
Not at all. I just bought zenfone 2 version with built in 1.8 cpu and 4gb ram...
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oopsie...I wanted to quote someone else. My bad
---------- Post added at 03:52 PM ---------- Previous post was at 03:51 PM ----------
rlaw said:
The 1.8GHz version might even have better battery life because of that and because it powers half the RAM.
The cpu is quite powerful so most the time the phone runs at lowest frequency step of 500MHz anyway.
I have the 2.3GHz version but I'm actually running my phone capped at 1.8GHz anyway to see if battery life difference is significant.
Click to expand...
Click to collapse
Did you limit your frequency to 1.8? Doesn't that need a custom kernel?

MironV said:
oopsie...I wanted to quote someone else. My bad
---------- Post added at 03:52 PM ---------- Previous post was at 03:51 PM ----------
Did you limit your frequency to 1.8? Doesn't that need a custom kernel?
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Click to collapse
No, you don't need a custom kernel. I use Kernel Adiutor app.

rlaw said:
No, you don't need a custom kernel. I use Kernel Adiutor app.
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Thank you!
Later edit: Oh, I was actually looking to overclock the CPU at 2.5GHz, let the min at 300Mhz and play with the gorvernor. I do need a custom kernel for this (for the frequencies).

MironV said:
Later edit: Oh, I was actually looking to overclock the CPU at 2.5GHz, let the min at 300Mhz and play with the gorvernor. I do need a custom kernel for this (for the frequencies).
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You need a custom kernel only for overclocking. The stock kernel has limits built in. As long as you stay in these (usually stock clock is max), you don't need one. The actual clock speed limits are written in a file which you can even change manually (needs obviously root). For example:
Code:
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
cpu0/cpu1/cpu2/... are the different cores.

rlaw said:
The 1.8GHz version might even have better battery life because of that and because it powers half the RAM.
The cpu is quite powerful so most the time the phone runs at lowest frequency step of 500MHz anyway.
I have the 2.3GHz version but I'm actually running my phone capped at 1.8GHz anyway to see if battery life difference is significant.
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so any significant improvement to batt life when running at max 1.8?

nghj said:
so any significant improvement to batt life when running at max 1.8?
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No, not really. The CPU is pretty beastly and usually runs at the lowest frequency step of 500MHz or the next step up (583MHz) anyways.
It rarely goes above the minimum speed except for touch events (when frequency will be temporarily boosted in anticipation of activity) and heavy usage like Web video streaming, gaming etc.
I haven't seen any performance degradation with my games and emulators at 1.8GHz vs 2.3GHz.
So overall the battery savings aren't dramatic and really not so noticeable except for heavy usage anyway like gaming. I also have the touchboost capped at 1GHz from the stock speed of 1.33GHz. Again, not huge differences but just little things that add up.
As I said, the CPU is already beastly and efficient. It's really the older screen tech used for display sourcing that has the most impact to battery life.

ask overclock GPU
XneofuX said:
You need a custom kernel only for overclocking. The stock kernel has limits built in. As long as you stay in these (usually stock clock is max), you don't need one. The actual clock speed limits are written in a file which you can even change manually (needs obviously root). For example:
Code:
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
cpu0/cpu1/cpu2/... are the different cores.
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frend
i have asus zenonfe 2 ze551 ml = ASUS_Z00AD = Atom Z3580 2.3 Ghz, RAM 4 Gb, ROM 32 Gb
i just want overclock the GPU PowerVR G6430
default = 533 Mhz = 136.4 Gflops
OC = +25 - 31 % = 666 - 700 Mhz = 170.5 - 179 Gflops = Equal like Adreno 418 (600 Mhz) on Snapdragon 808 = 172.8 Gflops
can that posible just like Atom Z3570 = GPU clock = +20 % = 163.8 Gflops
how i can do that (please step by step) ?
thank you verry much

Kernel Related

Which kernel is best for performance?(for Whyred)
1. Black box
2.no name
And many out there???
Suggestions please.
Thanks in advance.

Deep.cdy said:
Which kernel is best for performance?(for Whyred)
1. Black box
2.no name
And many out there???
Suggestions please.
Thanks in advance.
Click to expand...
Click to collapse
You should try them and find out the most suitable for you, use them for 1-2 days, you'll see the difference.... personally, I'm using NoName kernel with RR

NoName for Lineage based.

Deep.cdy said:
Which kernel is best for performance?(for Whyred)
1. Black box
2.no name
And many out there???
Suggestions please.
Thanks in advance.
Click to expand...
Click to collapse
i think currently is noname.
we hope a bunch of recognised developers in the near future as franco as many others.

Kirks, for battery...
Dude unlocked the lower cpu freqs...

m666p said:
Kirks, for battery...
Dude unlocked the lower cpu freqs...
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It operates on lower Volts using this unlocked freqs?

peter-k said:
It operates on lower Volts using this unlocked freqs?
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God knows, but what I do know is that it should produce less heat at the very least and it performs pretty gud on powersave governor. The gpu on the other hand is garbage at min freq (160mhz), even the launcher lags....

peter-k said:
NoName for Lineage based.
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But after flashing no name 1.3 the WiFi doesn't work for me on rr 12th June

Deep.cdy said:
But after flashing no name 1.3 the WiFi doesn't work for me on rr 12th June
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Mine was fine but now I'm on Aosip.

i think for now the best is to use a stock kernel, be careful with the charging limits.

peter-k said:
It operates on lower Volts using this unlocked freqs?
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Click to collapse
m666p said:
God knows, but what I do know is that it should produce less heat at the very least and it performs pretty gud on powersave governor. The gpu on the other hand is garbage at min freq (160mhz), even the launcher lags....
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Click to collapse
Of course it operates at lower voltage as it's a lower frequency and requires less power draw. Lower voltages should mean lower heat, however you don't magically get that lower freqs to operate, you need to tweak the interactive governor to make use of them all efficiently. So far I'm on Kirks kernel and AOSiP and it's a quite good combo.
The lag is not caused by low GPU freqs, it's because of low CPU freqs for that particular load, so governor tweaking is needed.

Cirra92 said:
Of course it operates at lower voltage as it's a lower frequency and requires less power draw. Lower voltages should mean lower heat, however you don't magically get that lower freqs to operate, you need to tweak the interactive governor to make use of them all efficiently. So far I'm on Kirks kernel and AOSiP and it's a quite good combo.
The lag is not caused by low GPU freqs, it's because of low CPU freqs for that particular load, so governor tweaking is needed.
Click to expand...
Click to collapse
Lol, I tested what you said out. Because you said it with such confidence...
I changed the cpu governor to performance and set the gpu to 160mhz max...
That made the experience a bit better but it would still lag a lot in recents and app launcher scrolling...
I've attached a screen shot to prove it too...
Another thing, just because the clock is lower does not mean that the voltage is lower as well, many devices that ive owned over the years have had the same voltage's for lower clocks( moto g2, Sony xperia z1)
And lastly, you should "magically" get those lower frequencies(if they are truly unlocked) since governors will always operate within the min/max frequencies that are set by the user or by default(unless it reverts parameters back to stock, like our device does on interactive)...

Forgot screenshot....

m666p said:
Lol, I tested what you said out. Because you said it with such confidence...
I changed the cpu governor to performance and set the gpu to 160mhz max...
That made the experience a bit better but it would still lag a lot in recents and app launcher scrolling...
I've attached a screen shot to prove it too...
Another thing, just because the clock is lower does not mean that the voltage is lower as well, many devices that ive owned over the years have had the same voltage's for lower clocks( moto g2, Sony xperia z1)
And lastly, you should "magically" get those lower frequencies(if they are truly unlocked) since governors will always operate within the min/max frequencies that are set by the user or by default(unless it reverts parameters back to stock, like our device does on interactive)...
Click to expand...
Click to collapse
First of all, we are talking here about difference in voltage between stock minimum freq for big cluster, which is 1.1ghz and actual possible minimum which is 300mhz, and there is a difference in voltage, that was the point. The devices I owned, S5 and Z3compact had more CPU steps, therefore the difference between some of the steps was really small or there wasn't any, but the CPU scaling made a jump to the freq with bigger difference (higher or lower, that was the stock behavior so some freqs weren't used). Here it might use all of the freq steps as there are less of them and the difference in voltage is significant enough, which might be the case, I said that because of my experience with previous devices. But you've missed the point anyway, I have said that even if unlocked, some freqs won't be used just because they are there if the governor parameters aren't set properly (or will be barely used). That was my point, I said that as a general note, so users won't jump the gun and blame devs for whatever.
And another one, regarding your test and lag with GPU, now I'm confused why would you set your max at 160mhz? I know it was for testing purposes in this case, but you did complain about it in original post and I said it won't lag because the max would still be set to 430mhz in which case the GPU freq scaling would do the job which it does very good so far. It would lag of course if you set max GPU freq to 160, but that's not what would you do for daily usage, right? Sorry if I misunderstood something.

Cirra92 said:
First of all, we are talking here about difference in voltage between stock minimum freq for big cluster, which is 1.1ghz and actual possible minimum which is 300mhz, and there is a difference in voltage, that was the point. The devices I owned, S5 and Z3compact had more CPU steps, therefore the difference between some of the steps was really small or there wasn't any, but the CPU scaling made a jump to the freq with bigger difference (higher or lower, that was the stock behavior so some freqs weren't used). Here it might use all of the freq steps as there are less of them and the difference in voltage is significant enough, which might be the case, I said that because of my experience with previous devices. But you've missed the point anyway, I have said that even if unlocked, some freqs won't be used just because they are there if the governor parameters aren't set properly (or will be barely used). That was my point, I said that as a general note, so users won't jump the gun and blame devs for whatever.
And another one, regarding your test and lag with GPU, now I'm confused why would you set your max at 160mhz? I know it was for testing purposes in this case, but you did complain about it in original post and I said it won't lag because the max would still be set to 430mhz in which case the GPU freq scaling would do the job which it does very good so far. It would lag of course if you set max GPU freq to 160, but that's not what would you do for daily usage, right? Sorry if I misunderstood something.
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I kinda get what you mean, but the min freqs should kick in by default. They don't though on kirks, you need to change the governor to something like alucard or zzmove once before it actually starts clocking down to 300mhz...
On a side I would just disable the big. Cluster if I could, I don't really need that much cpu performance...
I was trying to find the min gpu freq that would be usable and I was disappointed, cuz my Sony z1 had a smooth ui experience with the gpu clocked at 200mhz max and that thing had a sd800...
Btw, I do all this to get better battery life...

I found out something else, I can't use power save governor any more because it can't handle audio processing(ainur, v4a) when the screen is off...
Just like my old z1, Lol...
Makes me think that the performance is really identical to the snapdragon 800...
I wonder how pissed I would be if a I got the redmi 5 plus, the 625 would have been even worse...

m666p said:
I kinda get what you mean, but the min freqs should kick in by default. They don't though on kirks, you need to change the governor to something like alucard or zzmove once before it actually starts clocking down to 300mhz...
On a side I would just disable the big. Cluster if I could, I don't really need that much cpu performance...
I was trying to find the min gpu freq that would be usable and I was disappointed, cuz my Sony z1 had a smooth ui experience with the gpu clocked at 200mhz max and that thing had a sd800...
Btw, I do all this to get better battery life...
Click to expand...
Click to collapse
m666p said:
I found out something else, I can't use power save governor any more because it can't handle audio processing(ainur, v4a) when the screen is off...
Just like my old z1, Lol...
Makes me think that the performance is really identical to the snapdragon 800...
I wonder how pissed I would be if a I got the redmi 5 plus, the 625 would have been even worse...
Click to expand...
Click to collapse
Yeah I agree, it should, but how much it stays on minimum freq is dependent on couple of governor parameters (talking about interactive). On mine though it does stay on 300mhz when idling, on stock Kirks settings. Big cluster can be disabled through new hotplug solution, like Intelliplug, which I used on my old devices, and it performed great, 1 core was active when screen was off, screen on and light usage required only 2 cores, while all 4 were active under heavy load. Here however there is only Qualcomm's hotplug solution, until that changes, no luck. Regarding GPU freq, I don't think any device would work smoothly under 200mhz, you can set 266mhz here, it will be smooth, I've tested today, on my old SD801 it performed at 233mhz IIRC.
I've seen that, V4A requires higher freq than 300mhz, or even 422mhz which SD801 had, it's more about the freq rather than the chipset, as I've read on multiple threads that even the devices with SD820 were struggling a lot when processing audio at 300mhz when the screen was off. Don't worry, it's a general issue. There is also the optimization of the rom and audio mods as well, background tasks, kernel, it all goes into the mix.
This is actually a very good chipset, it's technically SD660 just with lower clocks on both CPU and GPU.
EDIT: I forgot, this is my usage on AOSiP + Kirks, stock interactive tunables, min freq 300mhz (big/little), GPU initial/min freq 160mhz, max 430mhz. Using microG instead off GApps, I have used FB, Instagram, Messenger app for 1,5h each, Viber was couple of hours, Chrome some 30mins, Panini sticker album 30+ minutes, 30 minutes of 2G calls. Network mode was LTE, though I was on wifi on whole charge.
Started measuring from 92%.

Thanks bro, that explains a lot...