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Samsung 850 EVO 1TB 3D V-NAND SSD Review (Page 4)

By Chris Ramseyer from Dec 8, 2014 @ 9:00 CST
TweakTown Rating: 97%Manufacturer: Samsung

HD Tune Pro - Sequential Performance

Version and / or Patch Used: 5.50

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After measuring sequential read performance with a 64KB block size, we see that the 850 EVO is right on the heels of the 850 Pro 1TB model. Most of the drives perform really well in the large block size sequential test; the Corsair Neutron XT is the exception, but performs much better with 128KB blocks.

samsung_850_evo_1tb_3d_v_nand_ssd_review_53

Write performance separates mainstream SSDs from the top performers. At the 1TB capacity, most drives manage to deliver very high sequential write performance thanks to the increased parallelization writing to more than one NAND die at a time. Again, the 850 EVO is right on the heels of the 850 Pro, and is faster than the 840 EVO.

HD Tach - Sequential Write Performance after Random Writes

Version and / or Patch Used: 3.0.4.0

samsung_850_evo_1tb_3d_v_nand_ssd_review_54

Here we see sequential reads and writes at the 128KB block size after a reasonable number of sequential and random writes to the 850 EVO 1TB SSD. The write performance doesn't take any large dips in write performance like we see with some products.

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