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Samsung 850 EVO and 850 PRO 2TB SSDs Review

By: Jon Coulter | SSDs in Storage | Posted: Jul 6, 2015 2:00 pm
TweakTown Rating: 98%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.






The 500GB 850 EVO M.2 is overall the best performer with the read portion of this test. Note the 2TB 850 PRO has better QD1 performance than the 512GB version. Also of note, the 2TB 850 EVO has by far the best 512K read performance we've seen to date for a SATA-based SSD.




Again we see a boost in 4K QD1 random performance from the 2TB 850 Pro in comparison to the 512GB version. Overall, the 850 EVO's are outperforming the 850 PRO's by a very slim margin.





Version and / or Patch Used: 1.7.4739.38088


AS SSD determines the performance of Solid-State Drives (SSD). 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.






Samsung's TurboWrite emulated SLC technology allows the 850 EVO's to power through this test a little better than the 850 PRO's. Overall scoring is second to Kingston's HyperX Savage.

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