[Q] Differences between Synergy and Darkside X kernels - T-Mobile Samsung Galaxy S II SGH-T989

I see that some rom developers are currently changing from the darkside kernel to the synergy kernel. I know that synergy has better battery life than Darkside X kernel (or that it should) since Darkside X is much faster and smoother.
1. But is the battery life of Darkside X kernel significantly lower or just a little lower than the synergy kernel?
2. Also, what are some features that the synergy kernel offers that the Darkside X kernel doesn't, and vice versa?
Thanks!

h1a8 said:
I see that some rom developers are currently changing from the darkside kernel to the synergy kernel. I know that synergy has better battery life than Darkside X kernel (or that it should) since Darkside X is much faster and smoother.
1. But is the battery life of Darkside X kernel significantly lower or just a little lower than the synergy kernel?
2. Also, what are some features that the synergy kernel offers that the Darkside X kernel doesn't, and vice versa?
Thanks!
Click to expand...
Click to collapse
Bro i read somewhere before NEVER COMPARE TWO ROMS OR KARNELS OF TWO DIFFERENT DEVS . ITS JUST AN INSULT OF THEM.THEY ARE GOOD ON THEIR OWN WAY .
Not being mean rude but telling you truth i have learn.
Sent from my SGH-T989 using xda premium

neither is better than the other. One gives you better battery life while the other gives you better performance. Its a trade off. both are good in there own way. I just want to know if there are features one has that the other doesn't. And does synergy beat darkside in battery life by a lot or a little.

Bump

h1a8 said:
neither is better than the other. One gives you better battery life while the other gives you better performance. Its a trade off. both are good in there own way. I just want to know if there are features one has that the other doesn't. And does synergy beat darkside in battery life by a lot or a little.
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Click to collapse
Generally speaking your mileage will vary with everything. ROMs, kernels, whatever. I personally get better battery life with darksidex and smoother performance with synergy. Most of it is probably placebo either way.

Flash and find out every phone is different.

synergy supports almost every governor. this only will matter to you if you know what a governor is...
darkside is more noob friendly. also, if u are running a darkside rom, do not use a diff kernel.
Sent from my SGH-T989 using XDA

u can use any kernel on any rom, (CM7 excluded). As others have said different kernels support different things, and may or may not be better for u given your needs. If u stress battery life, governor options in synergy will help u with that, finding the best balance between scaling and performance. Dark side may be better for gaming. All comes down to user preference

Synergy doesn't have all the sophisticated bells and whistles like swapping cache and page serving stow away performance like DS or any kernel with ram appreciating software. So to speak it's software for better page cruising experience.
Sent from my SGH-T989 using xda premium

Related

Best rom for battery life

I just got my droid incredible and I rooted it as soon as I got it. I've tried almost every rom in the "official rom" thread. I can't seem to figure out which one is the best for battery life. Right now I'm on myns 5.2. Any insight would help.
Sent from my ADR6300 using XDA App
I was using miui au 1.1.7 and had great battery life. Miui isn't for everyone though. I just installed the latest cm7 gb build so well see
Sent from my ADR6300 using XDA App
It really depends on the kernel that is flashed with the ROM as well, in general ROM's that are AOSP tend to have better battery life because all the Sense stuff that syncs constantly can drain your battery, but alot of devs have found ways around this by getting rid of the extra Sense junk.
But IMO switching kernels gives the biggest difference
Happy Flashing
it trully is in the kernal and somewhat dependant on the rom.. like dude said.. warm is a badass rom.. i think i'm still using warm rls4, forget which kernal.. but find a decent one and use a cpu tool to setup profiles to control your kernals speed and usage.. with the right settings you can squeez some juice out...
lou's senseless rom with his #4 kernel is awesome
Skyraider 3.5 for sense or I'm having great battery life with cm7 w/ stock launcher (doubt it makes a difference on battery life but might)
Sent from my ADR6300 using Tapatalk
Like others have said, it's mostly about what kernel you are using. Some kernels reduce the amount of voltage the CPU uses to save battery as well as underclocking it when its not in use to save even more battery. I've used Skyraider 3.5 with Incredikernel and it has given me the best battery life, and I've used quite a few different kernels.
If you choose an AOSP ROM (like cyanogenmod) try invisiblek's kernel.
Best battery life to date is my current setup, Senseless Redemptive Revolution with Lou's #6. I can get 24-26 hours with normal usage not watching what I do. Recently, I reinstalled Juice Defender, and as I have always been a skeptic of it, if it is set up correctly, I am seeing a very noticeable increase in battery with no real side effects. FYI.
For Me, it was Cyanogen 6.1 stable and invisbilek's #28 for the kernel, but play around with it and see what works best for you, now that you are rooted, you can add any rom and kernel that you want and find out what works best for you, rembember, everyone's phone and usage are different, what works for me may not be best for you.
Thread closed.
Reason: The reason we close what's referred to as "Best ROM Threads" is because the vast majority of the type end up a nasty flame fest. The reasons should be obvious. It's really a matter of opinion, and then you get the fanboys of certain devs chiming in, and well, you get it. You did nothing wrong (besides posting in the wrong sub-forum). My advice is try a few and make that choice yourself. It's easy to find the most popular ATM, because they stay on page 1 of the dev sub. That doesn't necessarily make it the best, however. Give some a shot and see what's best for you. Good luck.
Your loving moderator

[Q]Which Kernel are you using?

Hello All!
I made a similar thread to this over at the SGSII forums and was wondering what your answers are. So, the question is simple, which Kernel are you using and is the battery decent? Or a pile of rubbish? Lemme know. Poll has been setup with the main Kernels, I'll put an "other" option for people who are using new Kernels.
So, poll away!
-N
was using James Bond kernel 1.35 OC UV, never crash or lag. far better battery life than stock and super smooth.
right now i am testing faux123's kernel V9u for 4.0.2.
zeke1988 said:
was using James Bond kernel 1.35 OC UV, never crash or lag. far better battery life than stock and super smooth.
right now i am testing faux123's kernel V9u for 4.0.2.
Click to expand...
Click to collapse
I tried Faux 4.0.3 Kernel yesterday, battery was losing 2% every 30 mins on idle, with next to 0 apps installed.
Running Stock AOKP Milestone 2 kernel, whichever kernel that is!
I wanna try different kernel but my ROM is perfect, not sure sure what other kernels may add that my rom already has and does.
mellll said:
Running Stock AOKP Milestone 2 kernel, whichever kernel that is!
I wanna try different kernel but my ROM is perfect, not sure sure what other kernels may add that my rom already has and does.
Click to expand...
Click to collapse
As far as features go, Franco.Kernel adds color and vibrance to your screen. Its also tweakable so you can customize the color settings as you please. Battery is apparently awful though.
Nitroz said:
As far as features go, Franco.Kernel adds color and vibrance to your screen. Its also tweakable so you can customize the color settings as you please. Battery is apparently awful though.
Click to expand...
Click to collapse
thank u. just flashed that kernel, latest. but i dont see color control option anywhere... its supposed to be built in the kernel but i dont see it...
unless i have to pay for the app he has which i dont wanna just for a color change.
am i just blind, not seing that option arggh
:update
ok got it, commands.
Nitroz said:
As far as features go, Franco.Kernel adds color and vibrance to your screen. Its also tweakable so you can customize the color settings as you please. Battery is apparently awful though.
Click to expand...
Click to collapse
I am sort of noticing that battery life isn't so great too, although I wasn't sure since I haven't been running it for very long.
I was also looking for the best kernel.
Everybody talks about franco.Kernel. I will give it a try though.
Was using Franco's until earlier and now back to the Apex kernel that comes with bigxie's AOSP build
Eh? Franco kernel has the best battery life for me.
Sent from my Galaxy Nexus using xda premium
I just loaded on Lean kernel yesterday. Initial indications are that the battery life is extremely good.
180mhz cpu while screen off = happy battery.
Giving glaDOS a try.. it has some cool features like turn the screen on by touching it.. also has color control and battery life seems pretty decent so far. Big fan of imoseyon though.
Sent from my Galaxy Nexus using xda premium
I'm currently on Bigxie Build 8 with the Kernel included with it. Battery is pretty good. Underclocked my CPU to 970MHz. Losing 2% battery overnight (About 8 hours) and High usage I'm getting a decent amount of battery.
I'm wondering: I'm running ARHD 2.1.3 and thinking about flashing a kernel. Franco's had more options, but I'm getting that Jame Bonds kernel has a better battery life. That appeals to me. edit: ah, I see that Franco's is only for 4.0.3
Still, when I flash the kernel with ARHD 2.1.3 running, is it better to flash the anykernel.zip or should I just flash the original kernel?
Argh, just in the fun, looking for the best kernel. I'm between Franco's and Der Kernel Trinity NP (by the way, NP, Google, don't let Samsung impose it's boring naming system)
Trinity offers 512OC for the GPU, but I'd say Franco gives a better battery life....
Hmmmm difficult decision, isn't it? What do you guys think?
Currently rocking the Trinity kernel with mildly OC'd GPU (384 MHz).
I'm using imoseyon's kernel. I love minimalist kernels. Stable, fast, and not full of crapfeatures that just cause everything to crash and SOD and bootloop.
I think it's probably a good idea to give a try first of the kernel that comes with the ROM. Developers often adjust the ROM around the kernel they use and vice versa.
i went back to the James Bond kernel, no reboot or lag.
Lean IMO
Sent from my Galaxy Nexus using XDA Premium App

[Q][kernal] What's a good one?

I have stock rooted, I love the phone and didn't want to flash a ROM so soon but I was wondering, what's a good kernal thats better than stock, that increases battery while not affecting the speed negatively, I currently get about 10-12hrs on my battery as is
Search doesn't work that well for me on mobile, so sorry if previously asked although I did scan the threads but just wanted to see how you guys are doing with your current kernals
Swyped from my Sgs2 T989
Try tdj's dark side kernel. Very smooth and great battery life. Plus you can overclock and under volt.
Sent from my SGH-T989 using xda premium
GreggoryD502 said:
Try tdj's dark side kernel. Very smooth and great battery life. Plus you can overclock and under volt.
Sent from my SGH-T989 using xda premium
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Click to collapse
Thank you for the info but when you say great battery life do you mean better than stock?
Swyped from my Sgs2 T989
relldroid said:
I have stock rooted, I love the phone and didn't want to flash a ROM so soon but I was wondering, what's a good kernal thats better than stock, that increases battery while not affecting the speed negatively, I currently get about 10-12hrs on my battery as is
Search doesn't work that well for me on mobile, so sorry if previously asked although I did scan the threads but just wanted to see how you guys are doing with your current kernals
Swyped from my Sgs2 T989
Click to expand...
Click to collapse
i think there's only about 4-5 options out there... but each phone's hardware is different so each kernel will be different.
For example, my phone works really well with faux and darkside, but i get quite a bit of drain from eugene's kernel (yes I do configure my clock speed and voltages) people say synergy has great battery life and is smooth, however, my phone says different. it lagged more than the 3 mentioned and battery life was equivalent. There is also the bullet kernel... i haven't played with that... not sure if im missing any other kernels... but yeah i suggest giving the first three a try first as they are currently being supported.
reminder, you should let your phone go through at least 2 charges before comparing kernel's battery life etc... and with our phone.. thats 2 days lol
Pretty much any of the kernels on the first page will give you better than stock battery life. Faux, synergy and the dark side kernel are the three most popular kernels amongst Devs so that must mean something.
relldroid said:
Thank you for the info but when you say great battery life do you mean better than stock?
Swyped from my Sgs2 T989
Click to expand...
Click to collapse
yes it is better than stock, most of us actually UNDERclock because these devs are amazing lol
Thank you all for the reply, I've got some experimenting to do!
Swyped from my Sgs2 T989
relldroid said:
Thank you for the info but when you say great battery life do you mean better than stock?
Swyped from my Sgs2 T989
Click to expand...
Click to collapse
To be honest, i only ran stock for a few hours. Ive been running a custom rom since day 1. But I believe it would be better then stock because TDJ has undervolted the kernel slightly.
I'm using the darkside right now and so far so good
Swyped from my Sgs2 T989
I've tried most of the popular kernels and the best battery life I've observed has been with Synergy... hands down gives me the best standby battery life.
But what I've noticed that gives me even better battery life is just turning off mobile data when I don't need it (in class, during meetings)... which also turns off the background syncing.
But in the end, it's all up to you how crazy you want to get with your battery management.

what is the best rom for longest battery life

with average daily use
Darkside without a doubt.
You can try UC/UV with Juggernaut since that'd what I'm doing and I get great battery.
Sent from my SGH-T989 using XDA
Been askedand answered many times..
Inless u want like 20 different answers, keep in mind its a preference, roms are all geared differently, download one u like, try it, n if u dont like it pick another.. try out a mix of roms and kernels to, dont b a flashaphob n plz don't turn down a rom cuz of the theme, that bugs me lol themes r probably one of the easiest things to change.. no offence to themers..
Remember all phones are different too. Some phones respond differently to different rom/kernel combos. I prefer darkside's setup but flash away and see what works best for you
Best Battery + Stability for me...
Darkside Digital Warfare 2.5.1
Darkside .. BUT the ROM feels laggy and slow to me.. JN 5.0 is the way to go
Sent from my SGH-T989 using XDA
Stock. It's designed for average usage.
Custom ROMs are for above average usage.
Sent from my SGH-T989 using Tapatalk
Juggernaut v5.0 with Hercules kernel 10 for me. I tried out Darkside, I got better battery and performance with Juggs.
Sky-ics ftw
Revenge of Macnut R1
Revenge of Macnut R1
Honestly, after months of testing roms and battery life, I'll tell you that the differences in your battery life is on how you use your phone. Here are some tips to get some better battery life:
1) lower screen brightness
2) underclock processor/voltage (slows overall functionality but saves battery)
3) use wifi over 3g/4g
4) turn off 4g
There's always something you need to sacrifice for better battery life. Some roms offer all or some of these "tweaks."
eisoh said:
Honestly, after months of testing roms and battery life, I'll tell you that the differences in your battery life is on how you use your phone. Here are some tips to get some better battery life:
1) lower screen brightness
2) underclock processor/voltage (slows overall functionality but saves battery)
3) use wifi over 3g/4g
4) turn off 4g
Click to expand...
Click to collapse
Pretty close allow me to reword:
1.) Disable automatic brightness and lower..
2.) Dont use OC kernels or ones with stock speeds on boot and perhaps if needed use UV scripts if applicable
3.) Only use WIFI/DATA when needed and dont enable both simultaneously
4.) 4 is merged with 3 but heres a new 1, dont use taskmanagers
Find a lighter launcher aswell helps.. theres way to many lol we could go on all day xD

Which kernel do you prefer for best battery backup?

I am not asking which one is the best, but which one would you prefer for best battery backup? Samsung's latest release is forcing me to use a custom kernel, but I'd like to know which one I should use as I am not freak about flashing plenty stuffs.
Thanks in advance.
Redpill or uneak or perseus. You can try them all.
Sent from my GT-N7100 using xda app-developers app
Yeah, but I don't want to try them all bro. I know they all are great but that's why I asked which one is the preferable for battery backup specifically.
I am on Perseus now, I hope I've made the right choice. Lets see...
Persues is good for battery.neak is battery drainer.my experience
You're not asking which ones the best, but I'll tell you. I have used all the available kernels for my Note 2, and in my experience RedPill is the only one that is giving me consistent and best battery and overall performance. With more and more updates the developer has been adding more and more options. You can also undervolt the CPU and GPU with RedPill for further enhance your battery life. I had huge battery problems on my S3, So i had to go through a bunch of crap like different custom roms, undervolting, under-clocking etc to achieve good battery life. But when i got my Note 2 i used it for a few days completely stock and un-modified. And i was surprised at how amazing the battery life was. But if your having problems i can recommend AllianceRom + RedPill kernel, than undervolt the CPU/GPU (The utility needed to do so comes with the kernel, after flashing there will be an app installed on the phone called STweaks). And do some other minor adjustments to achieve incredible battery life. If you need any help or additional information you can contact me anytime.
I also want to know...
I would also like to know this as well. Since upgrading to 4.1.2 I am having bad battery backup, never thought of switching kernels but now I have to.
Shame on you Samsung....

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