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Samsung 840 250GB SSD Review - Benchmarks - PCMark Vantage - Drives with Data Testing

Samsung's 840 returns for the second day in a row. This time Chris tests TLC flash paired with a tri-core MDX controller with the 250GB model. Will he love the low power or will the 240MB/s sequential write limit send him for a cold shower?

| SSDs in Storage | Posted: Nov 29, 2012 9:26 pm
TweakTown Rating: 89%Manufacturer: Samsung

PCMark Vantage - Drives with Data Testing

 

For a complete breakdown on the Drives with Data Testing please read this article. You will be able to perform this test at home with the files provided in the article - full instructions are included.

 

- Brief Methodology

 

SSDs perform differently when used for a period of time and when data is already present on the drive. The purpose of the Drives with Data testing is to show how a drive performs in these 'dirty' states. SSDs also need time to recover, either with TRIM or onboard garbage collection methods.

 

Drives with Data Testing - 25%, 50%, 75% Full States and Dirty / Empty Test

Files needed for 60 (64GB), 120 (128GB), 240 (256GB)

60GB Fill - 15GB, 30GB, 45GB

120GB Fill - 30GB, 60GB, 90GB

240GB Fill - 60GB, 120GB, 160GB

Empty but Dirty - a test run just after the fill tests and shows if a drive needs time to recover or if performance is instantly restored.

 

TweakTown image content/5/0/5078_59_samsung_840_250gb_ssd_review.png

 

Here we see the performance drop off when data exists on the flash.

 

The Samsung 840 does better than some, but is far from the best. The real issue is the price vs. performance when looking at some of the drives that are faster than the 840 250GB - more on this in the final thoughts.?

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