Average Bench: 193% (64th of 1003)

Based on 1,780 user benchmarks.  Model: PM981 NVMe Samsung 256GB

Outstanding average bench

The Pm981 NVMe Samsung 256GB averaged 93.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Pm981 NVMe Samsung 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 759MB/s
Avg. Sequential Read Speed 1,721MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Pm981 NVMe Samsung 256GB is 125%. This is a particularly wide range which indicates that the Pm981 NVMe Samsung 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 381MB/s
Avg. 4K Random Write Speed 107MB/s

Average Bench

(Based on 1,780 samples)
Min Avg Max
843 Read 1,721 2,237
848 Write 1,204 1,397
585 Mixed 954 1,184
265 SusWrite 381 449
236% 1,065 MB/s
Min Avg Max
33.9 4K Read 51.1 64.4
67.4 4K Write 107 160
41.2 4K Mixed 64.1 83.3
216% 74.1 MB/s
Min Avg Max
217 DQ Read 810 981
187 DQ Write 728 1,235
180 DQ Mixed 759 994
572% 766 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
183GB free (System drive)
Firmware: EXD71D1Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1110 304 305 301 304 304 MB/s
Read 2136
Write 1,314
Mixed 1,130
SusWrite 438
278% 1,255 MB/s
4K Read 49.2
4K Write 94
4K Mixed 62.6
204% 68.6 MB/s
DQ Read 967
DQ Write 858
DQ Mixed 904
680% 910 MB/s
146GB free (System drive)
Firmware: EXD71D1Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 506 333 333 334 318 319 MB/s
Read 1,785
Write 1427
Mixed 1,006
SusWrite 357
254% 1,144 MB/s
4K Read 37.4
4K Write 86.2
4K Mixed 60.2
179% 61.3 MB/s
DQ Read 378
DQ Write 264
DQ Mixed 242
202% 295 MB/s
1,780 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,781,594 SSDs tested.

Typical NVMe Samsung 256GB Builds (Compare 9,197 builds) See popular component choices, score breakdowns and rankings.
Gaming 18%
Desktop 91%
Nuclear submarine
Workstation 66%
Battle cruiser

System: Dell XPS 15 9570


Popular NVMe Samsung 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) July 2019 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


1003 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $248Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $606SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Ultra Fit 32GB $12
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