Planning on getting either a 32gb or 64gb depending on the price.I planned on using app2sd mod to use the micro sd as my main storage instead of the 16gb internal storage. And the micro sd card has to be in FAT32 or EXTFAT format.
1.What the real big difference between class 4 and 10? Beside the price? Is class 10 speed much noticeable or just a minor improvement from class 4?
2.Since i plan on using this as my main storage. Will opening app/games, playing music, viewing video/picture and saving picture on a class 10 be a lot faster than class 4? Also how about coping the files from pc to sd card? Any difference?
3.What brand would you recommend? Is there a difference between a sandisk class 10 and lexar class 10 beside the price?
4.What format do micro sd card come in? If it not FAT32 or EXTFAT, can i change it to FAT32 or EXTFAT?
1. Speed. Class 10 has much faster r/w speeds.
2. Not sure how big a difference itll be. Read speeds should be good enough on either for apps. Its hd video and such that will require higher write speeds though.
3. Dont much care for sandisk oersonally. But I think theyre the only ones offering 64gb. Never tried lexar but Samsung memory has always been the best for me. Jus make sure you trust the seller.
4. FAT32, for most. ExFAT for 64gb. Yes you can reformat.
Sent from my SGH-T999 using xda premium
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I got a sandisk 8gb class 2 sd card. the first thing i tried to do was flash a ROM off it. it worked. before using a pny 4gb class 4 sd it wouldnt pick up the image. is the tp2 rated to use class 2 cards? or is the brand?
Its probably the format of your Micro SD Card, to do flash Image from SD Card you need the format to be FAT32. Just format your Micro SD Card to FAT32 if you haven't.
You should be able to flash after formating.
Hope this helps.
Kenichi.
i didnt format my 8gb at all left it alone. the 4gb that i did format to fat32 wouldnt work no matter what lol not a big deal.
I ask because because cameras and mp3 players are rated to use a class of sd cards. for instance your camera might be rated to use class 6 so if u use a class 2 or 4 it wont write/read as fast as it could.
So my question is what if any class is the tp2 rated to use?
mrbox23 said:
i didnt format my 8gb at all left it alone. the 4gb that i did format to fat32 wouldnt work no matter what lol not a big deal.
I ask because because cameras and mp3 players are rated to use a class of sd cards. for instance your camera might be rated to use class 6 so if u use a class 2 or 4 it wont write/read as fast as it could.
So my question is what if any class is the tp2 rated to use?
Click to expand...
Click to collapse
I've used a Class 6 16GB card since the day I got my phone 8 months ago and works fine....so it's certainly compatible with Class 6.
I wanted to let anyone looking for a micro sd about a deal i found. I found a Patriot Memory 16gb micro sdhc class 10 for $39.99 on www.CompUSA.com I think i'm going to order one after reading here on xda that patriot makes a pretty reliable sd card. I haven't ever used a patriot memory product so i only know what guys on here have posted. anyone make sure you check into the company on your own. They have the wintec 32 gb class 10 for $84.99 too!
apparently class10 cards are no good for phones, take a look at this link
yeah you dont want to spend all the money on something that might not work right?
I had read here on xda that the class of the sd card doesn't matter but the size(gb) is what matters with phones. like my SE X10 is only compatible with up to 16gb of external memory. Is that not correct? Can anyone clear this up for me?
X10's are compatible with up to 32gb microSD cards, I've got one in mine.
The size is important as you want to buy an SD card that works for the content that you intend on putting on it. If you have a lot of MP3s and videos, take a lot of pictures and shoot a lot of videos then obviously you are going to want at least a 16gb SD card.
The class does indeed matter. If you have hundreds or thousands of images then a class 2 card would take ages for them to all load in the Gallery. Or if you use App2SD at all a class 2 card wouldn't be able to keep up with the reading and writing and the app would be sluggish.
A class 10 card in my opinion is a bit excessive, I'd personally go for a class 4 or 6.
Pawnty said:
X10's are compatible with up to 32gb microSD cards, I've got one in mine.
The size is important as you want to buy an SD card that works for the content that you intend on putting on it. If you have a lot of MP3s and videos, take a lot of pictures and shoot a lot of videos then obviously you are going to want at least a 16gb SD card.
The class does indeed matter. If you have hundreds or thousands of images then a class 2 card would take ages for them to all load in the Gallery. Or if you use App2SD at all a class 2 card wouldn't be able to keep up with the reading and writing and the app would be sluggish.
A class 10 card in my opinion is a bit excessive, I'd personally go for a class 4 or 6.
Click to expand...
Click to collapse
nice info....
how do i know
I have3 a 16 Gb SD card... and I recently bought 2 16 GB sd cards 4 a x10 mini and a sam 5560... but both haven´t the blister. so how do I know (with an android app) which class are they... even mine... because was a operator gift.
I tried with SD tools... but even in that app ask me what class is my card... so bad...
can u help me?
thnks
salu2
Pawnty said:
X10's are compatible with up to 32gb microSD cards, I've got one in mine.
The size is important as you want to buy an SD card that works for the content that you intend on putting on it. If you have a lot of MP3s and videos, take a lot of pictures and shoot a lot of videos then obviously you are going to want at least a 16gb SD card.
The class does indeed matter. If you have hundreds or thousands of images then a class 2 card would take ages for them to all load in the Gallery. Or if you use App2SD at all a class 2 card wouldn't be able to keep up with the reading and writing and the app would be sluggish.
A class 10 card in my opinion is a bit excessive, I'd personally go for a class 4 or 6.
Click to expand...
Click to collapse
This is very true. I have a class 2 card and loading thumbnails for artists/albums is painfully slow in mediascape. I would go for a 32 GB if you are a music fan. I have a 1800 songs on my X10 and its already full. Class 4/6 should be good, class 10 is a little excessive.
georgegon60 said:
I have3 a 16 Gb SD card... and I recently bought 2 16 GB sd cards 4 a x10 mini and a sam 5560... but both haven´t the blister. so how do I know (with an android app) which class are they... even mine... because was a operator gift.
I tried with SD tools... but even in that app ask me what class is my card... so bad...
can u help me?
thnks
salu2
Click to expand...
Click to collapse
Just take the card out of the phone. There should be a 'C' printed on the card and there will be a number inside the 'C'. This is the class of your card.
I was using stock 8 GB class 2, I brought Team 16 GB class 10. Difference in performance is noticeable.
I have a class 10 8gb card and it works way better than the stock card.
Just make sure you tweak your read_ahead_kb.. Search for SD card speed improvement or speed increase.
In general, Class 4 or 6 are good enough for the application usage by phone, such HD video and phones.
I tested my Class 4 sd card, it able to transfer ~5.5mb / sec, not bad.
Yes, when price come down, I will get a Class 100 sd card too.
cheers
I'd rather the class 200.
Sent from my X10i using XDA Premium App
Class 10 significantly improves the performance.
Honestly it does not matter if someone is using the SE stock rom...however since I have tried the awesome ROM created by wolfbreak...my apps stored in sd was very sluggish...had to buy a class 10 16 gig to improve the performance...
Just got a 16Gig class 4 card...goto to play with data2sd and see the quadrant!!!!!!
kxhawkins said:
I'd rather the class 200.
Sent from my X10i using XDA Premium App
Click to expand...
Click to collapse
LOL
Sent from my X10i using XDA Premium App
Is there maybe an app or system menu which I could use to determine the class of my microsd card?
donnytuco said:
apparently class10 cards are no good for phones, take a look at this link
Click to expand...
Click to collapse
If you get a real kingston class 10 you will get five times the speed of a low spec class 2 generic sd card.
Rollhard said:
I had read here on xda that the class of the sd card doesn't matter but the size(gb) is what matters with phones. like my SE X10 is only compatible with up to 16gb of external memory. Is that not correct? Can anyone clear this up for me?
Click to expand...
Click to collapse
Real Class 10 SD cards work at 10MB/s of data transfer speed.
Class 2=2MB/s
Class 4=4MB/s
Class 6=6MB/s
Class 8=8MB/s
Class 10=10MB/s
The best are as said by others Kingston and Sandisk.
I've a Sandisk class 6 card and i get near 5,5MB/s of data transfer.
Mine is still 8gb, i want to buy another but in Brazil it's very expensive, the taxes are very high.
Got the Wintec Filemate 16gb class 10 for just under $40 at Frys Electronics and it's given me no problems. Used it in my NookColor running tons of apps and music from it without a hitch. Now it's in my X10 and with using the SD Speed Up tools, it helped alot.
http://forum.xda-developers.com/show....php?t=1028465
arcturusx said:
Is there maybe an app or system menu which I could use to determine the class of my microsd card?
Click to expand...
Click to collapse
Just take it out and look at at.
There will be a letter C with a number in it....that will be the class of the card
I have recently purchased an EVO 4G. I am waiting for it to come in the mail. Now I have a 4GB Class6 microSD card from my G1. Would it be better to use than the regular 8GB that comes stock with the EVO?
Well that obviously depends on whether you want 4gb of space or 8gb. The class speed really isnt that big of a deal. It isn't going to speed up anything on the phone, the only thing it will speed up is transferring files to and from the phone with usb.
Thanks man. Appreciate the helpful info.
Even class 4 has acceptable copy speed. I have to copy my music back after formatting since I have found a clean card really makes new roms install without glitches. I picked up a 32GB class 4 for $45 on ebay and it was ALOT faster to copy to than the 16GB class 2 I had previously.
Depends, if you plan to use app2sd, the faster sd is preferable. Remember, the class is the speed, higher the number, faster the read/write.
The EVO should come with an 8gig class 4 sd. I recently changed to a 16gig class 6 sd. I see no difference in speed but the extra space is nice. The difference would be really appreciated if you where changing from a class 2 or 4 to a class 8 or 10. Class 10 is the fastest I know of atm.
In your situation, keep the stock sd in the EVO unless ofc you plan to load it up with apps & media.
I just bought an Xperia Play with a free 16GB Micro SD Card (Class 6).
I also purchased a 32gb Class 4 card.
I have heard a few comments that lower class cards usually work better due to random access speeds being better than higher class cards.
e.g Class 10 cards can cause lag in apps and games.
Is anyone here using a Class 4 card and if so does it work fast enough or should I just use my 16gb class 6 card?
I use a kingston 32GB class 4 Micro SD Card. And i can't fault it. Games, emulators, apps all work just as well as the apps on my internal storage.
Thank you so much for replying to both of my questions I posted...
YOU ARE A CHAMP!
Here are the benchmarks I have posted for the class 2 that came with my Play, and the class 10 I bought:
http://forum.xda-developers.com/showthread.php?p=14070168#post14070168
I also have a class 4 32gb. There is no lag. Even class 2 is fast enough
Sent from my XPlay using XDA App.
I am thinking of getting SanDisk 16GB Mobile Ultra Class 10 UHS-I Micro SD SDHC like that one.
I know I will not reach 10 Class speed but I need to replace my current card and this is the only thing I found from SanDisk.
Can I expect it to perform flawlessly with HTC Desire?
impactor said:
I am thinking of getting SanDisk 16GB Mobile Ultra Class 10 UHS-I Micro SD SDHC like that one.
I know I will not reach 10 Class speed but I need to replace my current card and this is the only thing I found from SanDisk.
Can I expect it to perform flawlessly with HTC Desire?
Click to expand...
Click to collapse
I am using this and works flawlessly
impactor said:
I am thinking of getting SanDisk 16GB Mobile Ultra Class 10 UHS-I Micro SD SDHC like that one.
I know I will not reach 10 Class speed but I need to replace my current card and this is the only thing I found from SanDisk.
Can I expect it to perform flawlessly with HTC Desire?
Click to expand...
Click to collapse
I am using the same card as well, and it works perfectly. With full class 10 speeds as well.
I am using this as well... No problem at all... Getting much faster speed..
Thanks all. The reason I need to change my sd card is because right now I have a Samsung 8GB Class 6 which is fast enough in transfers but slow in initialisation and newer ICS/JB roms can't even detect it.
What rom are you using with this card?
has anybody noticed a performance increase while using a UHS-I card compared to class 10 or class 6.
Desire needs sd with high IO because of the low internal memory. Now the question, which cards have higher IO? Class 6 or 10 or UHS-I?
Im using a 16 gb uhs class 10 and no issues at all
Sent from my GT-P7310 using xda app-developers app
Well, I got my own card and indeed it is working perfectly fine.
Would putting a swap partition on it decrease its lifespan noticeably?
have someone tried the 32gb class 10 version? does it work well with int2ext+ or m2sd?
impactor said:
I am thinking of getting SanDisk 16GB Mobile Ultra Class 10 UHS-I Micro SD SDHC like that one.
Click to expand...
Click to collapse
"Mobile Ultra" is class 6 and "Ultra" is class 10. I don't know if there are any other differences apart from speed.
The link you gave is actually selling an "Ultra", although the title is "Mobile Ultra"
Note, I would never buy an SD card on ebay because of the number of fakes (especially Sandisk apparently)
You can get 16GB "Mobile Ultra" on Amazon for £11.45, ie same price as ebay.
Or a 32GB "Mobile Ultra" on Amazon for £22.99
Or a 32GB "Ultra" on Amazon for £18.54
No, I don't know why the class 10 is cheaper than the class 6. However... "class 6" just means that's the minimum guaranteed speed, it might be faster.
NB from what I've read, most class 10 cards don't work on the HTC Desire at all, but some do* However I've also read that internally the Desire can't read at more than 6mb/s whatever you put in there.
*People seem to have success with ADATA 16mb class 10, but someone else said their SanDisk 10 worked, whereas others say the same card didn't work. YMMV
tobydjones said:
AFAIK "Mobile Ultra" is class 6 and "Ultra" is class 10. I don't know if there are any other differences apart from speed.
The link you gave is actually selling an "Ultra", although the title is "Mobile Ultra"
Note, I would never buy an SD card on ebay because of the number of fakes (especially Sandisk apparently)
You can get 16GB "Mobile Ultra" on Amazon for £11.45, ie same price as ebay.
Or a 32GB "Mobile Ultra" on Amazon for £22.99
Or a 32GB "Ultra" on Amazon for £18.54
No, I don't know why the class 10 is cheaper than the class 6.
However... "class 6" just means that's the minimum speed, it might be faster.
BUT from what I've read, the HTC Desire will accept a class 10 card, but only has a class 6 transfer bus, so it can't use it any faster anyway.
Click to expand...
Click to collapse
Not quite right since all sandisk mobile ultra micro sd cards are UHS-1 class cards fastest cards faster than class 10.
They run at double the frequency in a UHS-1 compatible device.
Will still work in the desire just much slower. I get around class 10 speeds from my 8gb .mobile ultra
Sent from my HTC Desire using xda app-developers app
dethrat said:
Not quite right since all sandisk mobile ultra micro sd cards are UHS-1 class cards fastest cards faster than class 10.
They run at double the frequency in a UHS-1 compatible device.
Will still work in the desire just much slower. I get around class 10 speeds from my 8gb .mobile ultra
Sent from my HTC Desire using xda app-developers app
Click to expand...
Click to collapse
That's interesting. It would explain why they're more expensive than the class 10 cards. But if you look at this amazon page, it's listed as class 6, which is confusing.
All this talk about speed and class isn't worth much to any a2sd script.
Class system is about sequential speed I.e writing a large file and you'll get the class speed.
Writing loads of small files and I doubt you'll get your class speed.
Plus the apps on your ext4 partition could well be reading and writing from both you fat32 and ext4 partition on your SD card slowing the whole thing down.
Sent from my HTC Desire using xda app-developers app
dethrat said:
All this talk about speed and class isn't worth much to any a2sd script.
Class system is about sequential speed I.e writing a large file and you'll get the class speed.
Writing loads of small files and I doubt you'll get your class speed.
Plus the apps on your ext4 partition could well be reading and writing from both you fat32 and ext4 partition on your SD card slowing the whole thing down.
Sent from my HTC Desire using xda app-developers app
Click to expand...
Click to collapse
I suppose the hope is that the higher the class the higher the random read/writes as well as sequential speeds.
But the random write performance measured on Tom's Hardware isn't encouraging (November 10, 2011 so not very current unfortunately, but maybe shows that a class 4 SanDisk isn't to be sneered at)
I was using SanDisk class 4 sd card with InsertCoin-1.1.4 Rom. After upgrading sd card to Kingston class 10, it's really improved the performance of the same Rom.
Sent from my HTC Desire using xda app-developers app
Lakmal84 said:
I was using SanDisk class 4 sd card with InsertCoin-1.1.4 Rom. After upgrading sd card to Kingston class 10, it's really improved the performance of the same Rom.
Click to expand...
Click to collapse
I've just bought a SanDisk class 6 'mobile ultra' 32gb card.
Someone's posted a CDM showing a random write speed of 1.222 (!), so I'm looking forward to seeing the effect from swapping from my current 0.01 speed card!
dethrat said:
All this talk about speed and class isn't worth much to any a2sd script.
Class system is about sequential speed I.e writing a large file and you'll get the class speed.
Writing loads of small files and I doubt you'll get your class speed.
Click to expand...
Click to collapse
I started reading from the beginning wondering how long will it take for someone to point it out.
Sent from my HTC Desire using Tapatalk 2
Using the 32gb uhs-1 because of very high 4k write/read ( SDSDQU-032G-U46A) performance, some san disc class 4 cards are able for this, too. Habe never found so fast cards Form other manufactors.
Sent from my HTC Desire using xda premium
impactor said:
I am thinking of getting SanDisk 16GB Mobile Ultra Class 10 UHS-I Micro SD SDHC like that one.
I know I will not reach 10 Class speed but I need to replace my current card and this is the only thing I found from SanDisk.
Can I expect it to perform flawlessly with HTC Desire?
Click to expand...
Click to collapse
Just ordered it after reading the rest of the thread, thanks for the idéa!