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Samsung 840 EVO 250GB SSD Review - Benchmarks - CrystalDiskMark

Samsung 840 EVO 250GB SSD Review
Our three-part Samsung 840 EVO launch day coverage continues. In this article, Chris looks at the 250GB capacity size and runs the drive through several benchmarks to see how it compares to other 256GB class SSDs. (KRX:005930)
| SSDs in Storage | Posted: Jul 25, 2013 12:44 pm
TweakTown Rating: 95%Manufacturer: Samsung

CrystalDiskMark

 

Version and / or Patch Used: 3.0 Technical Preview

Developer Homepage: http://crystalmark.info

Product Homepage: http://crystalmark.info/software/CrystalDiskMark/index-e.html

Download here: http://crystaldew.info/category/software/crystaldiskmark

 

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/5/6/5629_61_samsung_840_evo_250gb_ssd_review.png

 

Here we see the 4K read IOPS at QD1 through a different lens, MB/s. On its own, without RAPID, the 840 EVO does really well - again outperforming the 840 PRO. When you enable RAPID, the QD1 performance doubles. In the video we published from the 2013 Samsung Global SSD Summit, Samsung displayed the 840 EVO achieving just over 100MB/s in this test. That was with a 1TB capacity size drive. We'll publish the 750GB model review later today, and you can see what the large drives can really do.

 

TweakTown image content/5/6/5629_62_samsung_840_evo_250gb_ssd_review.png

 

When we run CDM, we use the 1000 MB setting, the largest available. That means we're never getting past the DRAM and SLC layer cache. If we run the test again the performance only increases since the data is already cached.

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