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

By Jon Coulter from Jun 20, 2018 @ 10:00 CDT
TweakTown Rating: 95%Manufacturer: Samsung

CrystalDiskMark

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.

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CDM is showing us exactly what we saw with Anvil's. 256Gbit flash has a significant advantage over 512Gbit flash when reading random data.

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When writing random data, there is no significant difference between the 1TB and 2TB 970 EVO. We see a nice performance boost over the 960 EVO. SanDisk's write-centric Extreme Pro easily wins this test.

AS SSD

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.

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AS SSD is a demanding test and the 2TB 970 EVO performs quite well, just not as well as the 1TB model. Keep in mind that this is our system disk and it is 75% full. By this point we can see that current 512Gbit flash has a performance disadvantage in comparison to 256Gbit flash when running synthetic benchmarks. Let's see how that translates when running workloads.

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