MY G752VY SSD BENCHMARKS COMPARED: Samsung 950 NVMe vs 951 NVMe vs 850 EVO - READ

[dbodyguru]

I have the G752VY with 3 different Samsung SSD's installed now. Because there are a lot of questions about installing Samsung SSD's and replacing the default SSD's, I've decided to benchmark all three of these SSD's on my system so you can see the differences. Hopefully it helps you decide on your upgrade SSD planning.

I've decided to compare the

SAMSUNG 950 PRO 512 GIG NVMe

vs

SAMSUNG 951 NVMe 128 Gig (comes as the default OS drive in the Asus ROG G752 VT and VY models)

vs SAMSUNG 850 SATA 2.5 1TB

SEE THE ATTACHED IMAGE FOR benchmarks compared.


SUMMARY

If you look at the images, you'll see how fast the SAMSUNG 950 PRO 512 is and also just how ****ty the default SAMSUNG 951 NVMe 128 gig SSD that comes with the system. The read speeds are 1 GiB but the write speeds are 150 MiB! The 950 PRO 512 write speeds are 10 TIMES faster. Even the random 4K tests double the speed. The 850 EVO has half the seq read speed as the 951 (500 MiBvs 1GiB) but the seq write speed is over 3x faster than the 951. The only area the so called 951 NVMe beats the 850 EVO is the seq write speed (2x) as fast. But for every other metric, it's far worse. Basically, if it comes between using the 850 EVO OR the defaut 951 NVMe drive that comes with the G752, I'd go with the 850 EVO any day. Note, I tested the 2.5 SATA 850 EVO. It could be the 850 m2 SATA III or ACHI versions are faster than the 2.5.

Of course, the best option is to go with the SAMSUNG 950 PRO -- either 256 or 512 GIGS. Look at the speeds! It blows the 951 out of the water (10x faster write speeds, over DOUBLE the read speeds). It also blows the 850 EVO out of the water with 4.5x the read speeds and DOUBLE the write speeds.

CONCLUSION
*SAMSUNG 950 PRO 512 GB NVMe ROCKS so much.
*Default 951 NVMe 128 GB that comes with the system is **** and should be thrown away. Better off going with a 2.5 SATA 850 EVO if the cost of the Samsung 950's are too high for you, and booting your OS from that rather than boot from the 951 Samsung 128 GB. The 951 has double the read speeds of the 850 EVO, yes, but the write speeds are about 1/3 of the speed!!! Is it better? I don't know, depends if you are doing a lot more reading or writing to your drive.

So I hope this helps you guys decide what SSD to upgrade to. Whatever you decide, DITCH the absolutely ****ty 951 SAMSUNG NVMe 128gig/256/512 gig that comes with your G752VT/VY -- you can get at least double the read speeds and 10x the write speeds by switching!

I honestly don't understand -- paying about 2500 USD for my G752VY (which is a sweet, sweet machine and with the 3D vapor cooling runs super super cool, even when CPU and GPU are maxed -- only at 75-79C!!!) and Asus gives such a ****ty SSD which hurts performance~!

Also see my other posts that tell how I installed my 950 NVMe on the ASUS ROG G752VY and how I also installed a 850 EVO m2 SATA III on my other computer I bought, the ASUS ROG GL552...

How to SUCCESFULLY Install the Samsung 950 PRO NVMe into G752 and boot windows from it: https://rog.asus.com/forum/showthread.php?81512-G752VY-Samsung-950-PRO-SSD-NVMe-Working-Here-s-How-I...

How to SUCESSFULLY install the Samsung 850 EVO m2 SATA III into the GL552 and boot windows from it:
https://rog.asus.com/forum/showthread.php?81513-ROG-GL552-WITH-Samsung-850-SATA-III-m2-drive-is-work...

[Jon_G]

The 512GB Samsung 950 Pro PCIe 3.0 NVMe M.2 SSD compared to any other 128GB/256GB PCIe 3.0 NVMe M.2 SSD
will always out perform the smaller capacity drives, at least on the Write. A better comparison would be 512GB
Samsung 950 Pro SSD vs. 512GB OEM Samsung SM951 NVME SSD which actually has a slight edge on Sequential Write
1550 MB/s vs the 950 Pros' 1500 MB/s, & beats the same capacity Samsung 950 Pro in most transfer tests. The 512GB 950 Pro gets slightly higher Read though! I realize few (if any) of us
w/ a G752VY would have both 512GB PCIe 3.0 NVMe M.2 SSD versions on hand for a head to head comparison. Anyone
wishing to upgrade their G752VY's 2x PCIe 3.0 NVMe M.2 SSDs' to a larger capacity would be foolish to choose the
higher priced 512GB OEM Samsung SM951 NVMe SSD over the better overall, less expensive, retail 512GB Samsung 950 Pro SSD.
The stock G752VY DH78K notebook I have uses 2x 256GB OEM Samsung SM951 NVMe SSDs'.
Here's the CDM on my G752VY DH78Ks' 256GB OEM Samsung SM951 NVMe non OS SSD;-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes

Sequential Read (Q= 32,T= 1) : 2206.182 MB/s
Sequential Write (Q= 32,T= 1) : 1298.571 MB/s
Random Read 4KiB (Q= 32,T= 1) : 523.958 MB/s [127919.4 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 326.863 MB/s [ 79800.5 IOPS]
Sequential Read (T= 1) : 1644.207 MB/s
Sequential Write (T= 1) : 1276.144 MB/s
Random Read 4KiB (Q= 1,T= 1) : 53.754 MB/s [ 13123.5 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 165.657 MB/s [ 40443.6 IOPS]

Test : 1024 MiB [E: 0.1% (0.1/238.5 GiB)] (x3) [Interval=3 sec]
Date : 2016/04/07 19:38:30
OS : Windows 10 [10.0 Build 10586] (x64)
G752VY DH78K stock 256GB OEM Samsung SM951 NVMe SSD
Can anyone explain how to upload the actual Crystal Disk Mark screen shot?

[JustinThyme]

Jon G wrote:
The 512GB Samsung 950 Pro PCIe 3.0 NVMe M.2 SSD compared to any other 128GB/256GB PCIe 3.0 NVMe M.2 SSD
will always out perform the smaller capacity drives, at least on the Write. A better comparison would be 512GB
Samsung 950 Pro SSD vs. 512GB OEM Samsung SM951 NVME SSD which actually has a slight edge on Sequential Write
1550 MB/s vs the 950 Pros' 1500 MB/s, & beats the same capacity Samsung 950 Pro in most transfer tests. The 512GB 950 Pro gets slightly higher Read though! I realize few (if any) of us
w/ a G752VY would have both 512GB PCIe 3.0 NVMe M.2 SSD versions on hand for a head to head comparison. Anyone
wishing to upgrade their G752VY's 2x PCIe 3.0 NVMe M.2 SSDs' to a larger capacity would be foolish to choose the
higher priced 512GB OEM Samsung SM951 NVMe SSD over the better overall, less expensive, retail 512GB Samsung 950 Pro SSD.
The stock G752VY DH78K notebook I have uses 2x 256GB OEM Samsung SM951 NVMe SSDs'.
Here's the CDM on my G752VY DH78Ks' 256GB OEM Samsung SM951 NVMe non OS SSD;-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes

Sequential Read (Q= 32,T= 1) : 2206.182 MB/s
Sequential Write (Q= 32,T= 1) : 1298.571 MB/s
Random Read 4KiB (Q= 32,T= 1) : 523.958 MB/s [127919.4 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 326.863 MB/s [ 79800.5 IOPS]
Sequential Read (T= 1) : 1644.207 MB/s
Sequential Write (T= 1) : 1276.144 MB/s
Random Read 4KiB (Q= 1,T= 1) : 53.754 MB/s [ 13123.5 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 165.657 MB/s [ 40443.6 IOPS]

Test : 1024 MiB [E: 0.1% (0.1/238.5 GiB)] (x3) [Interval=3 sec]
Date : 2016/04/07 19:38:30
OS : Windows 10 [10.0 Build 10586] (x64)
G752VY DH78K stock 256GB OEM Samsung SM951 NVMe SSD
Can anyone explain how to upload the actual Crystal Disk Mark screen shot?

Hi Jon, I agree with the comparison for the most part. I dont think the SM951 and 950 pros speeds are all that different, but the bigger they are the better speeds your get. In the sequential write 1550 vs 1500 I actually split the difference with 1525 on the 512GB 950 pro. IMO its negligible. What puts the 950 pro on top in my book is the fact that the controller uses thermal throttling, not that i think I will ever see it in action but Id rather see it throttled back than burn up. The other very large advantage is warranty. 950 pro get 5 years warranty directly through samsung and the OEM gets 3 years through whatever OEM you got it from. If you bought it outright from amazon or the likes YOU ARE THE OEM and get zero support. The 256 drives that came stock in the VYs are warranted through ASUS.
If you want to buy an SM951 512GB and send it to me Ill be happy to test it out and compare :rolleyes:
When you run do you get the same on your screen that Ive been posting then save as text file?

To get the screen shot you simply use CTRL+prt sc then open paint and CTRL+V. Then use the select tool, outline the image then crop. When finished with that file, save as jpeg.