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Samsung 960 EVO 1TB 1TB & 250GB M.2 NVMe PCIe SSD Review

By: Jon Coulter | m.2 SSDs in Storage | Posted: Nov 15, 2016 3:00 pm
TweakTown Rating: 98%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.

 

samsung-960-evo-1tb-250gb-2-nvme-pcie-ssd-review_21

 

samsung-960-evo-1tb-250gb-2-nvme-pcie-ssd-review_22

 

Both 960 EVO's set new lab records for 4K and 4K QD4 performance. The 250GB EVO delivers slightly better performance at QD1 and the 1TB slightly better performance at QD4. The performance of both EVO's at 4K QD1 is somewhat inflated by CDM; we are not seeing nearly as much performance from the rest of our testing. Intelligent TurboWrite must be kicking in at just the right time when running CDM.

 

Based on what we've seen from the 850 EVO vs. the 850 Pro, with the 850 EVO always delivering better 4K QD1 performance, this is what we expected to see from the 960 EVO. However, unlike we saw from the 850 EVO, this is only occurs with CDM.

 

With this version of CDM, sequential performance is measured at QD1 which is the reason sequential rates are lower than Samsung's quoted numbers which are measured at QD32. We can look to our MOP testing results to see that we have no issues meeting and exceeding exceeding Samsung's quoted CDM sequential speeds.

 

samsung-960-evo-1tb-250gb-2-nvme-pcie-ssd-review_23

 

The 250GB 960 EVO delivers better 4K QD1 performance than the 1TB model. We attribute this to the fact that the 250GB model has a 2MB to 1GB DRAM to flash ratio and the 1TB model a 1MB to 1GB DRAM to flash ratio. Overall, the 250GB 960 EVO outperforms the 950 Pro, running about equal with OCZ's 512GB RD400. The 960 Pro outperforms the 1TB 960 Evo sequentially and at 4K QD1, but, the 960 EVO outperforms it in three of the five measured categories of this test.

 

 

 

AS SSD

 

Version and / or Patch Used: 1.7.4739.38088

 

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.

 

samsung-960-evo-1tb-250gb-2-nvme-pcie-ssd-review_24

 

samsung-960-evo-1tb-250gb-2-nvme-pcie-ssd-review_25

 

AS SSD is a demanding test, and the 1TB 960 EVO produces a new lab record courtesy of Samsung's Intelligent TurboWrite technology. Samsung's 960 series absolutely dominate this testing due to the incredible IOPS generated by Samsung's five core 8-channel Polaris controller.

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