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Samsung 840 500GB SSD Review - Benchmarks - CrystalDiskMark

By: Chris Ramseyer | SSDs in Storage | Posted: Nov 28, 2012 9:02 am
TweakTown Rating: 89%Manufacturer: Samsung



Version and / or Patch Used: 3.0 Technical Preview

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CrystalDiskMark is a disk benchmark software that allows us to benchmark 4K and 4K queue depths with accuracy.


Key Features:-


* Sequential reads/writes

* Random 4KB/512KB reads/writes

* Text copy

* Change dialog design

* internationalization (i18n)


Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at 4 and 32.




4K QD1 read performance is 33MB/s on the 840 500GB. The drive scales well to QD4 at 114MB/s. At QD32 the 840 delivers 381MB/s, a rating only rivaled by the OCZ Vertex 4 and Vector (not charted).




The 4K write performance at QD1 was 127MB/s. That scaled to nearly 255MB/s at QD4, but somewhere between QD4 and QD32 the Samsung 840 lost some performance.

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