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Samsung 850 EVO 500GB SATA III M.2 SSD Review

By: Jon Coulter | m.2 SSDs in Storage | Posted: May 21, 2015 2:15 pm
TweakTown Rating: 98%Manufacturer: Samsung

Moderate Workload Model

 

We categorize these tests as indicative of a moderate workload environment.

 

PCMark Vantage - Hard Disk Tests

 

Version and / or Patch Used: 1.2.0.0

 

The reason we like PCMark Vantage is because the recorded traces are played back without system stops. What we see is the raw performance of the drive. This allows us to see a marked difference between scoring that other trace-based benchmarks do not exhibit. An example of a marked difference in scoring on the same drive would be empty vs. filled vs. steady state.

 

We run Vantage three ways. The first run is with the OS drive 75% full to simulate a lightly used OS volume filled with data to an amount we feel is common for most users. The second run is with the OS volume written into a "Steady State" utilizing SNIA's guidelines. Steady state testing simulates a drives performance similar to that of a drive that been subjected to consumer workloads for extensive amounts of time. The third run is a Vantage HDD test with the test drive attached as an empty, lightly used secondary device.

 

OS Volume 75% Full - Lightly Used

 

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OS Volume 75% Full - Steady State

 

samsung-850-evo-500gb-sata-iii-2-ssd-review_45

 

Secondary Volume Empty - FOB

 

samsung-850-evo-500gb-sata-iii-2-ssd-review_46

 

There's a big difference between an empty drive, one that's 75% full/used, and one that's in a steady state.

 

samsung-850-evo-500gb-sata-iii-2-ssd-review_47

 

The important scores to pay attention to are "OS Volume Steady State" and "OS Volume 75% full." These two categories are most important because they are indicative of typical of consumer user states. When a drive is in a steady state, it means garbage collection is running at the same time it's reading/writing. This is exactly why we focus on steady state performance.

 

Samsung's 850 Pro continues to dominate this testing. The 850 EVO comes in with the second best results for SATA-based SSD we've recorded to date.

 

 

PCMark 7 - System Storage

 

Version and / or Patch Used: 1.4.0

 

We will look to Raw System Storage scoring for an evaluation because it's done without system stops and therefore allows us to see significant scoring differences between drives.

 

OS Volume 75% Full - Lightly Used

 

samsung-850-evo-500gb-sata-iii-2-ssd-review_48

 

samsung-850-evo-500gb-sata-iii-2-ssd-review_49

 

Again, the 850 EVO M.2 comes in second to the 850 Pro. Both Samsung drives are able to outperform the competition by a large margin.

 

 

PCMark 8 - Storage Bandwidth

 

Version and / or Patch Used: 2.4.304

 

We use PCMark 8 Storage benchmark to test the performance of SSDs, HDDs, and hybrid drives with traces recorded from Adobe Creative Suite, Microsoft Office, and a selection of popular games. You can test the system drive or any other recognized storage device, including local external drives. Unlike synthetic storage tests, the PCMark 8 Storage benchmark highlights real-world performance differences between storage devices.

 

OS Volume 75% Full - Lightly Used

 

samsung-850-evo-500gb-sata-iii-2-ssd-review_50

 

samsung-850-evo-500gb-sata-iii-2-ssd-review_51

 

PCMark 8 is the most intensive light model workload simulation we run. With respect to light model simulations, this test is what we consider the best indicator of a drive's performance and the 850 EVO M.2 unseats our long time champion, the Intel 730 480GB. The 850 EVO M.2 is considerably faster than the 850 Pro in this test.

    We at TweakTown openly invite the companies who provide us with review samples / who are mentioned or discussed to express their opinion of our content. If any company representative wishes to respond, we will publish the response here.

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