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Samsung 970 Pro 1TB M.2 NVMe PCIe SSD Review (Page 5)

By: Jon Coulter from Jun 24, 2018 @ 10:00 CDT
TweakTown Rating: 100%Manufacturer: Samsung


Version and / or Patch Used: 3.0 Technical Preview

CrystalDiskMark is disk benchmark software that allows us to benchmark 4k and 4k queue depths with accuracy. Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at QD4. When evaluating CDM results, we focus on 4K random performance at QD1 and QD4.


Focusing in on QD1 and QD4 we the 970 EVO outperforming the 970 Pro. This is due to the 970 EVO reading cached data from its SLC (1-bit) buffer. 1-bit is faster than 2-bit. However, it is important to keep in mind that the only way this kind of performance can occur is if the data being read has already taken up residence in the caching layer. Most of the time, reading cached data is not going to occur. Most of the time data will be read from the flash array outside of the caching layer.


Overall, this is the second best CDM write performance we've seen from a flash-based consumer SSD. The write-centric SanDisk Extreme Pro remains our champion when writing data at low queue depths.


Version and / or Patch Used: 1.8.5611.39791

AS SSD determines the performance of SSDs. The tool contains four synthetic as well as three practice tests. The synthetic tests are to determine the sequential and random read and write performance of the SSD. We evaluate AS SSD performance in terms of overall score. We are looking for a minimum score of 2,000 when evaluating NVMe SSDs.


The 970 Pro serves up yet another lab record for a flash-based SSD by delivering an incredible score of over 5,400. It is important to keep in mind that with AS SSD, having data on the drive has a severe negative impact on the overall score.

Now let's see what the 970 Pro 1TB is serving up in the real-world.

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