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Samsung 840 Pro 512GB SSD Review - Benchmarks - CrystalDiskMark

Samsung 840 Pro 512GB SSD Review

The battle for the enthusiast crown continues. Today Chris finishes the series of the 840 Pro verses Vector in this showdown between the two highest performing enthusiast class SSDs.

| SSDs in Storage | Posted: Mar 8, 2013 4:54 pm
TweakTown Rating: 94%      Manufacturer: Samsung



Version and / or Patch Used: 3.0 Technical Preview

Developer Homepage:

Product Homepage:

Download here:


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.


TweakTown image content/5/2/5239_61_samsung_840_pro_512gb_ssd_review.png


Here we turn the IOPS into MB/s by using 4K reads at 1, 4 and 32 queue depths. When reading 4K data the Samsung 840 Pro 512GB nearly gets to 40MB/s at a single queue depth. Only a very small number of consumer drives have broken the 40MB/s mark - the 840 Pro 256GB and the SuperSSpeed S301 SLC 120GB off the top of my head in the 2.5" form factor. As we expected after seeing the results on the previous page, Samsung has a lead here.


TweakTown image content/5/2/5239_62_samsung_840_pro_512gb_ssd_review.png


Also as expected from the previous page, OCZ has leads when writing 4K data to the drives. Up to this point we could say picking between these two drives comes down to where you want higher performance, reading or writing to the drive.


Let's keep going and see what happens when we introduce data to the flash and then test the drives.

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