-
After 15+ years, we've made a big change: Android Forums is now Early Bird Club. Learn more here.
Accessories Class 2 or class 6 microsdhc?
- Thread starter Stolirocks
- Start date
-
- Tags
- htc evo 4g
Yes, but you've never tried to write a 720p video to it. There are Class 4 MicroSD cards too. Maybe those would be a good middle ground. Class 2 from a good manufacturer *may* work ok, but we'll have to see.
It was not about you. It was about buying from ebay. You are a big boy you can buy from who ever you choose. But for people who have not. They should stay away from ebay for memory cards. Too many scams and knock offs.
It is not worth the risk.
PERIOD
My speed test was with 720p. And it wrote it just fine.
cabbie
Android Expert
link?
LatinP
Android Enthusiast
Link? I'll give you real world test results:
Using my SanDisk Imagemate 5in1 reader, the speed of my Kingston card fluctuates.
For a 2.35GB file...
write file completed in 8:34.528, 4.3 MB/s
read file completed in 2:17.186, 16 MB/s
While you see the write speed is much slower than read speed these transfer rates are extremely fast even for a class 2 card. You're not running a full blown version of PhotoShop here, you're running petty apps of which even the more bandwidth intensive apps like YouTube barely need 0.5mb/s and rarely ever write to the app itself anyway. Most of the information is being read, so as you can see it's not even quadruple it's more like 8x faster lol. Class 2 or class 10 will have 0 impact on apps, now live video recording may be a different story but as far as apps no way.
that is my main issue with a class 2 card. I have a canon DSLR and there is no way a class 2 can keep up with it. Someone mentioned that there is no shutter lag with the evo, this is why I think I'll need a class 6 just in case.
Wow.
Ok, last first.
Shutter lag is the time between the press of the shutter button and the camera taking a picture. This time has nothing to do with a memory card. You will have shutter lag if you take out the memory card. It has everything to do with the charge of the sensor.
If you have a canon dslr, then you have a rebel. A class 2 card will keep up with a still pictures on a rebel just fine. It is only 2.5 MB and is getting dumped to buffer. You can shoot off, what? 3 frames per second with the rebel, dumped to buffer. You are not going to shoot off 3 frames per second with the evo. That is not going to happen.
If you are shooting 1080p/720p video with the camera, then you might want to get an class 6 card.
If you are only going to use the card for video play back, and music. Skip it.
This is what I was saying above. I think you interpreted what I said to be writing a 720p video to the card. I meant shooting 720p video. I'm sure I'll be shooting video with the phone, so I'm going with at least a Class 4, and likely a Class 6.
ImGreen
Member
capthr, I know how to use e-bay, but I was in a hurry and made a simple mistake and bought a counterfeit "Motorola" Bluetooth headset for cheap. It did work but it was obviously not really made by Moto. Maybe you don't need the "advice" but others may appreciate it and may need to hear it. Telling people you don't need to be lectured is not very nice. Next time just say "thanks" or don't respond. I don't think RiverOfIce was lecturing you, he was just sharing his experience.
ImGreen
Member
This was funny... and it made me think of the fact that the speed of the card may not matter at all with respect to the EVO itself if the EVO only really supports Class 2 speeds... I don't know just another thought. I can see the benefit of faster cards with respect to copying large file direct from the PC though... I think I'll go with a 16GB Class 4 for needs and budget.
IOWA
Mr. Logic Pants
Thats what I do =D My computer(S) have SDCARD readers =D
Geo
Member
I read the EVO comes with an 8GB card; I do not see the need to buy another one; at least until the 8gb gets full. 
http://androidforums.com/htc-evo-4g/72301-official-sprint-htc-evo-4g-info-faq.html
http://androidforums.com/htc-evo-4g/72301-official-sprint-htc-evo-4g-info-faq.html
Could you post some test on this? I would really like to see them. Because I see zero differences between a class 2 and 10 in load times.
LatinP
Android Enthusiast
You're right but you're also wrong. A cache file is created on your SD card the first time you open the gallery. Every time you go into the gallery the app will check to make sure the file structure is the same and checks to make sure all your thumbnails are there and edits accordingly.
If there is a new file or an old file is replaced, deleted or renamed the gallery automatically adjusts the cache file to the current structure, much like a SVN repository would after a new edit. After the check is done the connection is closed, this check could take anywhere from a few seconds up to a minute, depends on the task at hand.
One thing to keep in mind is any changes you make within the gallery will update the file in real time if the gallery is still open and you make any changes from within. This process should have no significant impact on the SD card though.
Edit: Sort of went a little off-topic explaining the process, the slowdown you might be noticing could be when the phone processes this check. It is entirely possibly that this slows down the sd card momentarily but it's not the only contributing factor either, and the connection won't stay active the entire time you're in there browsing pictures and what not.
dcdttu
Well-Known Member
Every News app. Every video. Every song. Also, I take lots of pictures, so every time I open the gallery, it has to 'cache' that new picture.
Again, I would so get a fast one. We're not talking a lot of dollars here... Plus, using the phone as a drive while hooked up to the computer would be faster too. Just sayin' (I can't believe the techies on here are actually arguing this! Don't we want the bleeding edge??? lol)
dtokarz
Newbie
I feel this is a really good deal for a 32gb card, but maybe its too good. What am I missing?
Newegg.com - Kingston 32GB Secure Digital High-Capacity (SDHC) Flash Card w/ MobileLiteG2 Reader Model FCR-MLG2+SD4/16GB
Edit: Just figured out its not a microsd card. Too bad.
Newegg.com - Kingston 32GB Secure Digital High-Capacity (SDHC) Flash Card w/ MobileLiteG2 Reader Model FCR-MLG2+SD4/16GB
Edit: Just figured out its not a microsd card. Too bad.
ImGreen
Member
Yes. The ability to store and run apps from SD card is coming in the future, maybe in froyo... speed might be more of a factor, but of course its hard to tell how of a factor it will be.
mrvirginia
Android Expert
it ships with an 8GB card. not sure of the class, though.
source: Sprint Evo 4G retail boxed is unveiled; 8GB microSD card confirmed | Android Central
Rose4uKy
Android Expert
So will it say in the manual when you get the phone? How will you know? I thought someone posted somewhere it was coming with class 2 but don't hold me to that and If I did read it somewhere it may not be true. I have an 8 gig now on my touch pro 2 and I just checked and I see a 4 on there.I think I just bought the cheapest from Amazon and forgot about class like on my home cameras card I made sure it was 6. But on my card now is some music not a lot and I have pictures and ringtones and all my cab files backed up.
I keep wanting to take one of my recorded shows and convert and play it on my phone and I haven't tried it yet. But my thing is having to take off the battery to get to the card. I will have 2 eights so I don't know if I want to get a 16 or not. I think 8 is enough cause if I was to put a show or a movie on there I would watch it and delete it. but I have over 16 gigs of just music on my PC and I have lots of concert videos that I like to watch on my phone too but most of them are on you tube. So if the one that comes with the phone is a class 2 and the phone supports more than class 2 then I will use my class 4. I just want the phone already.
I keep wanting to take one of my recorded shows and convert and play it on my phone and I haven't tried it yet. But my thing is having to take off the battery to get to the card. I will have 2 eights so I don't know if I want to get a 16 or not. I think 8 is enough cause if I was to put a show or a movie on there I would watch it and delete it. but I have over 16 gigs of just music on my PC and I have lots of concert videos that I like to watch on my phone too but most of them are on you tube. So if the one that comes with the phone is a class 2 and the phone supports more than class 2 then I will use my class 4. I just want the phone already.