[Q] Does Desire support class 10 SD cards?

Eon83 · Apr 8, 2012

Generally a class 6 card will be enough. I dun find any performance difference when i switch to a class 10

Robi959 · Apr 8, 2012

I have micro SD card from my nokia 5800 xm, 8 gb class 4. Are these the normal speed of my sd-card ?

In SD Card Tester;
File size is 300 mb,
Write speed: 3.22 MB/s ,
Reading speed: 9.18 MB/s.

And in SD Tools;
Write speed: 10.9 MB/s
Reading speed: 17.6 MB/s

Q-Logic · Apr 24, 2012

_snIP3r_ said:
i am using a 16gb class10 microsd card but cannot profit from write performace cause using card with usb from inside phone show no god write speed... so i think class 6 would be enough.

Totally agree...

niktey · Apr 26, 2012

Thanks

Cirunz · Apr 28, 2012

I use a class sandisk 6 16GB with a2sd AND d2sd and it works very smooth just like this, though I'm curios about how it'll be on a class 10.

Anyway the manufacturer also matter: sandisk is the only one that never gave me a problem, and is very fast.
Last year I bought an A-Data class 8 on an offer on amazon and it wasn't even half the speed of the class 6 I talked above.
A friend of mine yesterday said that there are very good benchmark on the class 10 ridata microsdhc.

Jeezer · May 18, 2012

For a2sd most class 6 cards will be better then class 10 cards.

Sumatie · Jun 3, 2012

Jeezer said:
For a2sd most class 6 cards will be better then class 6 cards.

I take it you mean class 6 cards are better than class 10??

I did read somewhere the desire only supports up to class 6, and that using a faster card is still limited to class 6 performance? I use 16gb class 10, had a 4gb class 6 before, no speed difference at all, quadrant and antutu results did not change.

cyclothunder · Jun 29, 2012

i have a class4 card, with apps2sd enabled.
Moving to a class6 will i see any performance improvement?

Bahnhof · Jul 23, 2012

Class2 vs 10 comparison

in German, but maybe interesting for some of you (even google translate):
brutzelstube.de posted some comparison of class 2 vs. class 10: search for sd-karte-class-2-oder-class-10-ist-geschwindigkeit-alles

gn_ro · Nov 6, 2012

Maybe will help others

Robi959 said:
I have micro SD card from my nokia 5800 xm, 8 gb class 4. Are these the normal speed of my sd-card ?

In SD Card Tester;
File size is 300 mb,
Write speed: 3.22 MB/s ,
Reading speed: 9.18 MB/s.

And in SD Tools;
Write speed: 10.9 MB/s
Reading speed: 17.6 MB/s

I know it's an old thread, but I'm posting here to eliminate the confusion between SD card classes and GUARANTEED read/write speed.
Almost normal. According to wikipedia url en.wikipedia.org/wiki/Secure_Digital

Class Minimum performance
Class 2 2 MB/sec
Class 4 4 MB/sec
Class 6 6 MB/sec
Class 10 10 MB/sec

k3lcior · Nov 7, 2012

It's compatible but will work with Class 6 speed.

squarefw · Feb 15, 2013

there is no doute C10 is much better than c2 and C4. But still depends on brand and quality

ApokEncore · Feb 18, 2013

No problem with a 16gb class 10 Kingston here

isboosted · Feb 25, 2013

I'm using a 16GB Class10 Sandisk with no problems at all!

Ape_D · Mar 20, 2013

Class10

I´m on a Transcend 32gb Class10 Micro

having no problems

on my last rom (VJ CM10 JB) a2sd worked fine for me with Y-Y-Y in Terminal Emulator
had no lags when setting developer options right

so final answer to question from my side: YES

irbis_triffle · Mar 24, 2013

Original (got with the phone) Samsung 1Gb class 6 died in a four month)))
Now I'm using Sandisk 16Gb class 10 for more than year and have no any problems.

mathorv · Apr 13, 2013

Class is minimum guaranteed certified speed so any class should work (phone HW/SW limits speed). Homever i have 3 cards with class two and about 15 MB RW speeds. There are many benchmarks for testing speeds.
Interesting question is durability. quoting wikipedia:

Code:

Write endurance

The write endurance of SLC floating-gate NOR flash is typically equal to or greater than that of NAND flash, while MLC NOR and NAND flash have similar endurance capabilities. Example Endurance cycle ratings listed in datasheets for NAND and NOR flash are provided.

    SLC NAND flash is typically rated at about 100k cycles (Samsung OneNAND KFW4G16Q2M)
    MLC NAND flash used to be rated at about 5k – 10k cycles (Samsung K9G8G08U0M) but is now typically 1k – 3k cycles
    TLC NAND flash is typically rated at about 1k cycles (Samsung 840)
    SLC floating-gate NOR flash has typical endurance rating of 100k to 1M cycles (Numonyx M58BW 100k; Spansion S29CD016J 1,000k)
    MLC floating-gate NOR flash has typical endurance rating of 100k cycles (Numonyx J3 flash)

However, by applying certain algorithms and design paradigms such as wear leveling and memory over-provisioning, the endurance of a storage system can be tuned to serve specific requirements.[29]

Snusmumr · Sep 16, 2013

I'm using the Transcend 16 Gb class 10 sd card. No problem

WalkieGo · Jun 17, 2015

I prefer SanDisk 64GB Extreme Pro SD Card for my travel camera.
I think it's a good quality-price ratio...

zurpher · Jun 17, 2017

Mike Philippens said:
Please consider a few things:

There are 2 very important factors that seem to be overlooked. First is the maximum speed if the SD card controller in the Desire. A card can be as quick as it wants, but it won't transfer data any quicker than the controller is capable of.

Has anyone figured out what the SD card controller in the Desire is capapble of?

BTW, I own a HTC Desire S but that should not make too much of a difference I presume.

[Q] Does Desire support class 10 SD cards?

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