Question SD card write speed? - Samsung Galaxy Tab A8 (2021)

Does anyone use a SD card with this tablet? I've bought a few different SanDisk ones and have been disappointed with the write speeds which is most important to me.
I understand that you'll never be able to achieve the advertised speeds, but no matter what card I use the write speed is always capped at 20MB/s.
When I looked at the Amazon reviews of these cards people were complaining they weren't getting the full write speed, but the lowest speeds reported were at least 50MB/s, not 20MB/s.
I've looked online and since there is little information about this model I haven't been able to find any others who could confirm that this tablets SD write speed is capped at 20MB/s. If so then there would be no reason to waste any more money on SD cards.

kevinco1 said:
Does anyone use a SD card with this tablet? I've bought a few different SanDisk ones and have been disappointed with the write speeds which is most important to me.
I understand that you'll never be able to achieve the advertised speeds, but no matter what card I use the write speed is always capped at 20MB/s.
When I looked at the Amazon reviews of these cards people were complaining they weren't getting the full write speed, but the lowest speeds reported were at least 50MB/s, not 20MB/s.
I've looked online and since there is little information about this model I haven't been able to find any others who could confirm that this tablets SD write speed is capped at 20MB/s. If so then there would be no reason to waste any more money on SD cards.
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Click to collapse
The SD card speed is limited by the bus speed of the tablet. Buying high speed cards to use in it is a waste of money.

lewmur said:
The SD card speed is limited by the bus speed of the tablet. Buying high speed cards to use in it is a waste of money.
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Click to collapse
Yes I came to this conclusion, just wondering if anyone here knows what the actual bus speed is for the SM-X200 to use as a frame of reference

kevinco1 said:
Yes I came to this conclusion, just wondering if anyone here knows what the actual bus speed is for the SM-X200 to use as a frame of reference
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Click to collapse
I believe it is a USB 2 bus bit I'm not certain. You have to realize that this is a budget priced tablet and isn't going to have the performance of top-of-the-line ones.

Related

[Q] Any Recommendations for Best microSD for Webtop2sd use?

Any Recommendations for Best microSD for webtop2sd use?
I am getting ready to try out webtop2sd on my Bionic but I want to buy a 32Gb microsd card. I was about to get a class 10 but I have been ready there may be some problems with them in the phone. (?poor random access times vs. sequential transfer speeds?)
So, I am not sure whether to go with class 10, 6 or if just a Sandisk class 4 would be best. (I don't really want to spend a huge amount of money either - looking for best performance for a reasonable price)
If anyone has experience using webtop2sd, or is extremely knowledgeable about microSD media, and could recommend the best microSD card to use I would appreciate it. Thanks!
Have you considered just using a flash drive for additional storage? It seems like it would be a cheaper way to go.
http://forum.xda-developers.com/showthread.php?t=1273852 Here's another thread that is talking about SD cards.
Basically if you go with a 32gb Class 10 Micro SD you will have the fastest transfer rates you can get. They are about i think 3 times as much as the class 4. The class 4's work fine though. I haven't really done or seen any bench marking for the Bionic about it. That is what I am planning to get though for webtop2sd for myself.
http://goo.gl/sEGLC
I figure if I am going to be using it as a a full ubuntu basically, would be nice for the extra transfer/read speeds. /shrug
less then 30 bucks for this one....
http://1saleaday.com/?j=1438656&[email protected]&l=121731_HTML&u=21986344&mid=1046201&jb=0
Im using one of these from a previous daily sale from the same site and it works great for everything. Webtop2sd included. And you can't beat the price!!
class 10 all the way. you will not be dissapointed. the read and write speeds are awesome. i will never use anything but a class 10 unless they come out with a faster one. the are a little pricy but well worth it
I saw somewhere that the bionic is compatible with sdxc cards which are class 30 and up to 64gb. Hellaciously expensive though. Might be worth looking into though.
I'm a bit curious about that, if you find anything out definitively shoot me a message.
I used a class 4 at first, ran AnTuTu and saw other people's droid's beating mine. Switched to a class 10 and I'm holding the top score right now by 5 points (5171, closest 5166), lol, not much but good. It was a big improvement over the class 4. With a class 4 card it was scoring in the high 4000's. The read/write speed is a huge leap, you'll notice if you do any full memory card backups / transfer a lot of music / files to the Droid.
I say look for a deal, I used 2 reward zone coupons at Best Buy to make it free for me.
You can usually find really good deals online or MicroCenter has good prices in store if you don't shop online.
psychoticsmiley said:
I'm a bit curious about that, if you find anything out definitively shoot me a message.
I used a class 4 at first, ran AnTuTu and saw other people's droid's beating mine. Switched to a class 10 and I'm holding the top score right now by 5 points (5171, closest 5166), lol, not much but good. It was a big improvement over the class 4. With a class 4 card it was scoring in the high 4000's. The read/write speed is a huge leap, you'll notice if you do any full memory card backups / transfer a lot of music / files to the Droid.
I say look for a deal, I used 2 reward zone coupons at Best Buy to make it free for me.
You can usually find really good deals online or MicroCenter has good prices in store if you don't shop online.
Click to expand...
Click to collapse
Hmmm, Im using the 32gb sd card from my Thunderbolt, and I got a score of 5120. write speed of 8.4mb/sec and read of 15.5.
is there any difference in the brands? Im always leery of brands of have never heard of, and am thinking about spending more for the sandisk or kingston.
I have been using a Samsung 32Gb Class 10 card for about a month and it works great. Speeds are fantastic. Picked it up at Fry's for $50. I have not used Webtop2sd however.
You should check it out. A full linux distro running on your bionic is pretty impressive.
+1 for class 10, you cant go back once you've seen your card reader hit 17Mbps write speed. i dont even MIND doing superfluous nandroids anymore lol.

[Q] Minimum micro SD class for the galaxy note

Hi guys, I am about to purchase my galaxy note next week and I was wondering if anyone could shed some light into the matter..
Which class of micro sd card should I buy? (minimum) I was hoping to get a 64gb but if that would underperform, there would not be much of a sense to it.
The maximum reading/writing I will be doing in the note is probably playing 1080p playback + mirroring it to the tv. maybe some hi definition video recording as well straight to the memory card.. but most often than not, I would play a 720p mkv movie.
Would a class 4 suffice? Any suggestions on which brands I should look at / stay away from?
Class 4 of any decent brand should suffice.
Class 2 cards from Sandisk will also suffice (their read/write speeds are enough for 1080p encoding and decoding). May be a hassle if you regularly transfer a lot of data to and from the card since thats the time when the slower R/W speeds will come into play.
Why get anything less than class 10? If you can afford a Note, you should be able to spare another $20 for a fast sdcard...
class 10 cards can cost upwards of $80 for an 8gig card.
keithleyson said:
class 10 cards can cost upwards of $80 for an 8gig card.
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i picked up my class 10 a-ram 32gb microsd for $49.95AU + shipping.
it really depends on what you plan to use your note for. if youre filming 1080p video at the default 17mbps, thats about 2mb/s that you'd want minimum for just filming. so any speed should be fine as long as its above class 2. i just prefer faster cards since theyre getting cheaper.
Souai said:
i picked up my class 10 a-ram 32gb microsd for $49.95AU + shipping.
it really depends on what you plan to use your note for. if youre filming 1080p video at the default 17mbps, thats about 2mb/s that you'd want minimum for just filming. so any speed should be fine as long as its above class 2. i just prefer faster cards since theyre getting cheaper.
Click to expand...
Click to collapse
Where did you get it from? Does it even have a brand?
RashaMatt said:
Why get anything less than class 10? If you can afford a Note, you should be able to spare another $20 for a fast sdcard...
Click to expand...
Click to collapse
I've read class 10 doesn't always mean fastest read speed or something to that effect. Not always beneficial to get a class 10 since it writes faster but doesn't always means it reads faster. Someone else can probably elaborate for me.
DMax99 said:
Where did you get it from? Does it even have a brand?
Click to expand...
Click to collapse
A-RAM is the brand. i bench'd it. write speeds are 11mb/s, read speeds are 14mb/s.
it was one of the random daily specials they had at www.shoppingsquare.com.au a week or so ago.
right now, the next best deal they have is http://www.shoppingsquare.com.au/p_276323_Kingston_32GB_Class_10_Micro_SDHC_Memory_Card
phungn said:
I've read class 10 doesn't always mean fastest read speed or something to that effect. Not always beneficial to get a class 10 since it writes faster but doesn't always means it reads faster. Someone else can probably elaborate for me.
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Click to collapse
normally read speeds of class 10 are still higher than write speeds. but the read speeds dont really vary much between classes. my kingston class 10 reads at 12mb/s, my a-ram class 10 reads at 14mb/s, my sandisk class 2 reads at 10mb/s. so if all you need is read speed, then any card will do.
even class 2 or 4 on Sandisk it will work fine. i believe just buy a good make one ( not a fake from China ) , but i bought mine Lexar class 10 and work great , i couldnt be happier.
phungn said:
I've read class 10 doesn't always mean fastest read speed or something to that effect. Not always beneficial to get a class 10 since it writes faster but doesn't always means it reads faster. Someone else can probably elaborate for me.
Click to expand...
Click to collapse
It doesn't necessarily write faster either!
All the class indicates is the minimum sustained write speed under optimal (i.e. unfragmented) conditions. It says nothing about the read speed, which is what is generally important in mobile devices since they are usually used for content consumption rather than creation.
As NZtechfreak has already mentioned, Sandisk Class 2 cards almost always well exceed the class minimums - I've been using 16gb Sandisk Class 2 cards in my phones for a long time now, and I've yet to get one that had a write speed less than the Class 6 minimum of 6MB/s, and the read speed has always been 20MB/s or above.
Regards,
Dave
A good read why Class 4 cards are the best ones to use for your smartphone: http://forum.xda-developers.com/showpost.php?p=14456360&postcount=42
I started out with a Kingston Class 2 32GB I had laying around, and then switched to a Class 10 32GB made by PNY that I got from Microcenter for $59.95.
There was a very noticeable difference in photo taking lag and the media scanner, plus app access on the card. Now there is almost no photo lag, from snap to saving. Haven't messed with the video much yet...
I've Samsung class 10 32 gb. It's really good, but my device started rebooting because of it. "System Process has stopped working."
What I found out is that after removing my micro sd my device is a hell FASTER than before!!!
Maybe a faulty micro sd, no since it works fine in my pc and other devices.
I want to check does any of you have the same problem???
Sorry but your data is at least a year old
Samsung 16GB class 10 card plus adapter at Amazon for $15-$20... mine arrived yesterday
keithleyson said:
class 10 cards can cost upwards of $80 for an 8gig card.
Click to expand...
Click to collapse
Mystic38 said:
Sorry but your data is at least a year old
Samsung 16GB class 10 card plus adapter at Amazon for $15-$20... mine arrived yesterday
Click to expand...
Click to collapse
Errhh, more like your post is 5 months late!
Regards,
Dave
Moved To Q&A​
Please post all questions in the Q&A section​

Can anyone find definitive documentation that the sd card reader supports U3 speeds?

My gear 360 thumbnails seem slow reading from the sd card in gallery.. it looks like a class 10 U3 card will resolve that slow red issue, but I can't find any documentation anywhere that the note 8 supports U3 speeds, and I read if it does not, then the read speed will actually be slower.
Gareee said:
My gear 360 thumbnails seem slow reading from the sd card in gallery.. it looks like a class 10 U3 card will resolve that slow red issue, but I can't find any documentation anywhere that the note 8 supports U3 speeds, and I read if it does not, then the read speed will actually be slower.
Click to expand...
Click to collapse
Considering that if you got the wireless charger and SD card the SD card that was in that package was a u3 class 10 I'd assume that the Note 8 supports it
That's the problem... Everyone is assuming it, but no one has actually found out for sure.
Two guys who do have u3 cards are getting read speeds of 37...but the cards are rated at 90-100 transfer rates.
Granted speed depends on a lot of factors, but only getting 30% of a cards speed doesn't seem to me to have real full u3 speed support.
Two calls to Samsung, and neither support agent could confirm it, and two additions Samsung health questions also could not confirm it. They referred me to third party magazine articles recommending all different speed cards, and their definition of SD card specs only seems to be of capacity, not speed.
That's why I asked here, because the information just does not seem to be our there at all, and two people testing first cards both only had partially improved speeds, no where close to how fast the cards should actually be able to transfer.

NOTE 9 sd card slot speed rating

Hello,
has anyone been able to figure what the sdcard ratings are on this?
is it UHS ii?
can anyone post their write speeds?( people with sd cards anything under UHS i/ v30 please dont bother posting)
edit:
Also, to unify results can everyone use Androbench app?
And be sure to go to settings and point your ext sd card.
thanks
ain't anyone interested/curious in how fast their transfer rate to their sd card is? gues because it has nothing to do with facebook or antisocial media then it doesn't count as being a real thing...
if you have Solid Explorer you can visually see your transfer speed.
transferring the same file across different phones / SD cards can give you a comparison.
i believe the bottleneck is the SD card, as the phone is capable of transferring at speeds far beyond what the SD card is capable of. so even if the Note 9 can transfer faster than the other phones, the SD card will limit it to a fraction of its capable speed.
check Notebookcheck.net
Also most of the phone is stuck at <100MB/s for SDcard transfer rate atm. I don't know why but, maybe to prevent heat generated.
You can get an UHS-II TypeC card reader ya know. or get 512GB for full UFS 2.1 speed.
bober10113 said:
ain't anyone interested/curious in how fast their transfer rate to their sd card is? guest because it has nothing to do with facebook or antisocial media then it doesn't count as being a real thing.
Click to expand...
Click to collapse
No not really. Different files and sizes transfer at different speeds. Also, you're basically stuck with whatever speeds you get as there are very few ways to 'optimize' or 'tweak' performance of a SD card. And besides most people are still buying MP3s. Why? I don't know. Ain't anyone interested in listening to CD quality music? Myself, I still buy compact discs and rip them into FLACs and MP3s when I get it then the CD mostly collects dust.
And some of us are waiting on 512GB cards from Samsung and SanDisk to come out. No point in buying a 400GB card when I know I will get the 512 when the price comes down.
all this is fine and dandy but i was expecting actual file transfer read and write data numbers.
none provided their current rates. all other info is irrelevant.
thanks
I'd be interested to know the slot speed rating as well. Currently the phone defaults to using the internal capacity to write to for things like high-end video recording, due to the external SD not being fast enough.
...But is that actually due to the slot speed not being fast enough? Or because the vast majority of users will use standard SD Cards, which aren't fast enough to keep-up and it would cause complaints. Would be nice to find out it's the latter, I wouldn't mind investing in a faster SD Card for a little boost in performance.
Although I don't know the specifics for the Note 9. The SD card reading hardware on the device is the bottleneck and a source of where all manufactures go cheap. The read and right will top out between 60MB/s to 70 MB/s. This is why the internal storage is preferred but I the device for use and the main thing people overlook when it comes to devices with expandable memory. Expandable storage is simply meant for storage and not for high quality video recording and bust, super slow-mo, and other high quality video and image writing.
jcsww said:
Although I don't know the specifics for the Note 9. The SD card reading hardware on the device is the bottleneck and a source of where all manufactures go cheap. The read and right will top out between 60MB/s to 70 MB/s. This is why the internal storage is preferred but I the device for use and the main thing people overlook when it comes to devices with expandable memory. Expandable storage is simply meant for storage and not for high quality video recording and bust, super slow-mo, and other high quality video and image writing.
Click to expand...
Click to collapse
4k video takes about 100- 150Mbs on a high end camera. That's about 18 MB/sec write speed. All the medium/high quality sd cards can do those speeds...
calinormy said:
4k video takes about 100- 150Mbs on a high end camera. That's about 18 MB/sec write speed. All the medium/high quality sd cards can do those speeds...
Click to expand...
Click to collapse
Yes, but most cards don't reach their advertised potential and multiple simultanious writes impact speeds a lot more. This is why there are 512GB devices and why they still sell. The average person won't max out the capability of the SD slot but you always get a few that will use the device well beyond what most of us will.
I'm getting read 73.41mb/s Write 31.85mb/s with the 256gb card that came free with the note 7. Also note, I only have about 47gb free on it so that may affect the results.
https://www.amazon.com/gp/product/B...U3FV8&linkId=7c4bd977c420841b12df0b4adde20239
2nd test 71.35 read & 37 write
aznmode said:
I'm getting read 73.41mb/s Write 31.85mb/s with the 256gb card that came free with the note 7. Also note, I only have about 47gb free on it so that may affect the results.
https://www.amazon.com/gp/product/B...U3FV8&linkId=7c4bd977c420841b12df0b4adde20239
Click to expand...
Click to collapse
I use a Samsung EVO Plus 128GB card. 68MB/s sustained read and 62MB/s sustained write, using a 28GB 4k Blu-Ray rip. The card can read 100MB/s and write 90MB/s but those speeds are only close to achievable when plugged into my USB 3 card reader.
It's rated at 100 gigawatts.
aznmode said:
I'm getting read 73.41mb/s Write 31.85mb/s with the 256gb card that came free with the note 7. Also note, I only have about 47gb free on it so that may affect the results.
https://www.amazon.com/gp/product/B...U3FV8&linkId=7c4bd977c420841b12df0b4adde20239
2nd test 71.35 read & 37 write
Click to expand...
Click to collapse
now that is exactly the info i wanted to see.
you sir are a gentlemen and a scholar.
in the hopes that you serve as an example for the masses.
regards,
suzook said:
It's rated at 100 gigawatts.
Click to expand...
Click to collapse
heh.. thx Doc
jcsww said:
I use a Samsung EVO Plus 128GB card. 68MB/s sustained read and 62MB/s sustained write, using a 28GB 4k Blu-Ray rip. The card can read 100MB/s and write 90MB/s but those speeds are only close to achievable when plugged into my USB 3 card reader.
Click to expand...
Click to collapse
68MB/s sustained read and 62MB/s sustained write
in the note 9?
Also, to unify results can everyone use Androbench app?
be sure to go to settings and point your ext sd card.
thanks
bober10113 said:
68MB/s sustained read and 62MB/s sustained write
in the note 9?
Click to expand...
Click to collapse
Yes, but it is a large file. Read and write speeds tend to start off a bit better and should be a bit better for smaller files.
jcsww said:
Yes, but it is a large file. Read and write speeds tend to start off a bit better and should be a bit better for smaller files.
Click to expand...
Click to collapse
no problem, tests are encouraging. i have the evo plus 256gb and and on the note 8 was getting barely 10 MB/s write speeds.
on the computer was getting the advertised speeds on an UHS 3 reader.
Samsung EVO+ 256GB UHS-I microSDXC U3 (exact same as aznmode above).
Using the AndroBench app:
1st Run:
Read: 76.1mb/s
Write: 31.01mb/s
2nd Run:
Read: 77.24mb/s
Write: 29.56mb/s
As a reference, the internal memory bench is:
Read: 747.8mb/s
Write: 189.0mb/s

Does the S10 offer UHS-II memory card support?

I've searched but can't find any information about the memory card slot other than maximum capacity. Does anyone know if the S10 will finally support UHS-II memory cards?
skiddingus said:
I've searched but can't find any information about the memory card slot other than maximum capacity. Does anyone know if the S10 will finally support UHS-II memory cards?
Click to expand...
Click to collapse
I doubt it will support the faster speeds so it would only transfer at UHS-I speeds. I can see the advantage of Uhs-ii for professional photography with cameras but probably not as much for phones.
Tel864 said:
I doubt it will support the faster speeds so it would only transfer at UHS-I speeds. I can see the advantage of Uhs-ii for professional photography with cameras but probably not as much for phones.
Click to expand...
Click to collapse
No, no phone can handle that yet @ UHS-II speeds, btw they have deals on SanDisk Extreme at Amazon right now, I bought 128GB for $29, 400GB costs less then $110:
mzsquared said:
No, no phone can handle that yet @ UHS-II speeds, btw they have deals on SanDisk Extreme at Amazon right now, I bought 128GB for $29, 400GB costs less then $110:
Click to expand...
Click to collapse
Can you give speed test results of that card on your S10:
https://play.google.com/store/apps/details?id=com.a1dev.sdbench
vasra said:
Can you give speed test results of that card on your S10:
Click to expand...
Click to collapse
I have S10e now, 128GB Sandisk Extreme:
mzsquared said:
I have S10e now, 128GB Sandisk Extreme:
Click to expand...
Click to collapse
Thanks, that's pretty fast.
Actually benchmarks have to be done with ATTO Disk Benchmark to test all file sizes not only sequential which we know it's the highest.

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