How fast is the eMMC in your Windows device?

[cbn]

The first device I will post up is the ASUS T100HA which uses Atom X5-Z8500, 4GB DDR3L 1600 Mhz and 64GB Samsung CGND3R eMMC :

http://www.notebookcheck.net/Asus-Transformer-Book-T100HA-Convertible-Review.151966.0.html

The next device is the ASUS T100TA which uses Atom Z3740, 2GB RAM and either 32GB or 64GB eMMC (64GB Sandisk eMMC version benchmarked below):

http://www.notebookcheck.net/Review-Asus-Transformer-Book-T100TA-C1-GR-Convertible.106219.0.html

ASUS also made an upgrade version of the the original ASUS T100 called ASUS T100 Chi that came with a higher resolution display (1080p vs. 1366 x 768) and upgraded Bay Trail processor (Z3775 vs. Z3740). Memory is still 2GB though the particular version benchmarked below has 32GB SanDisk SDW32G eMMC (rather than 64GB eMMC).

http://www.notebookcheck.net/Asus-Transformer-Book-T100-Chi-Convertible-Tablet-Review.140913.0.html

(Notice how the 32GB Sandisk eMMC in the ASUS T100 Chi is faster than the Sandisk 64GB eMMC in the T100TA)

 

[cbn]

Looking up the part number "SDW32G" (the 32GB eMMC in the ASUS T100 Chi that is faster than the 64GB eMMC ASUS T100TA) I came across this Anandtech Smartphone article which says it should be eMMC 5.0.

The Meizu MX4 Pro employs a SanDisk manufactured eMMC solution, the SDW32G with NAND storage manufactured by Toshiba. This should be an eMMC5.0 solution supporting HS200-DDR operation. Indeed when looking at the maximum sequential read and write scores in our AndroBench storage benchmarks, we see that the solution doesn't perform badly at all and is able to keep up with the current flagship generation, even outperforming some such as the Galaxy S5 or the One M8.

With that mentioned, Intel only officially supports eMMC 4.51 in Bay Trail and Cherry Trail/Braswell (the upcoming Intel Apollo Lake (with the Goldmont atom cores) does get eMMC 5.0). However, I have seen eMMC 5.0 specified in other Bay Trail devices like the Minix NEO Z64 which uses Intel Z3735F .

NEO Z64 delivers an astonishingly snappy and ultra-responsive user experience thanks to the use of eMMC (5.0)

My guess that eMMC 5.0 NAND can be used with eMMC 4.51 devices provided the eMMC 5.0 is limited to the eMMC 4.51 maximum bandwidth of 200 MB/s (ie, HS200-DDR).

 

[cbn]

Regarding future Crystaldisk benchmarking @ 1000MB something to consider is the inclusion of SLC cache in newer forms of eMMC:

https://forums.anandtech.com/threads/list-of-emmc-that-supports-slc-cache.2484800/

I figure 128GB eMMC would have a SLC cache of at least 1GB size which could affect results.

 

[wpcoe]

FWIW, this is the CDM result for the 128GB eMMC in my Microsoft Surface 3 (Atom x7-Z8700, 4GB RAM):

With cbn's post in mind, I ran it with 2GB sample size. (Boy, did that take a while on CDM v.3 ...)

 

[cbn]

Thanks for posting those Surface 3 results.

I also found some 1GB results here:

http://www.notebookcheck.net/Microsoft-Surface-3-Tablet-Convertible-Review.141116.0.html

 

[Sean Kyle]

Thanks for posting those Surface 3 results.

I also found some 1GB results here:

http://www.notebookcheck.net/Microsoft-Surface-3-Tablet-Convertible-Review.141116.0.html

seems impressive for my needs!

 

[cbn]

Anyone with 256GB eMMC?

Or additional results for 128GB and lower capacities?