Average Bench: 205% (64th of 1016)

Based on 2,454 user benchmarks.  Model: PM981 NVMe Samsung 256GB

Outstanding average bench

The Pm981 NVMe Samsung 256GB averaged 104.6% 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 809MB/s
Avg. Sequential Read Speed 1,841MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Pm981 NVMe Samsung 256GB is 118%. 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 362MB/s
Avg. 4K Random Write Speed 115MB/s

Average Bench

(Based on 2,454 samples)
Min Avg Max
799 Read 1,841 2,246
755 Write 1,220 1,417
589 Mixed 999 1,188
242 SusWrite 362 450
245% 1,106 MB/s
Min Avg Max
37.6 4K Read 54.8 66
65.2 4K Write 115 167
42.7 4K Mixed 67.7 84.6
231% 79.1 MB/s
Min Avg Max
327 DQ Read 866 981
136 DQ Write 817 1,295
227 DQ Mixed 809 1,004
616% 831 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
147GB free (System drive)
Firmware: EXD72D1Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 947 280 304 299 307 308 MB/s
Read 2,244
Write 1,360
Mixed 1,127
SusWrite 407
284% 1,285 MB/s
4K Read 60.9
4K Write 146
4K Mixed 80.3
272% 95.8 MB/s
DQ Read 980
DQ Write 1,102
DQ Mixed 991
760% 1,024 MB/s
139GB free (System drive)
Firmware: EXD72D1Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 424 306 305 309 311 309 MB/s
Read 2,254
Write 1318
Mixed 1,144
SusWrite 327
278% 1,261 MB/s
4K Read 62.9
4K Write 140
4K Mixed 81
273% 94.7 MB/s
DQ Read 981
DQ Write 1,219
DQ Mixed 981
773% 1,060 MB/s
134GB free (System drive)
Firmware: EXD72D1Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 359 329 327 321 314 313 MB/s
Read 2,206
Write 1,312
Mixed 1,167
SusWrite 327
277% 1,253 MB/s
4K Read 62.8
4K Write 142
4K Mixed 79.5
272% 94.6 MB/s
DQ Read 978
DQ Write 930
DQ Mixed 976
726% 961 MB/s
2,454 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,680,567 SSDs tested.

Typical NVMe Samsung 256GB Builds (Compare 12,548 builds) See popular component choices, score breakdowns and rankings.
Gaming 16%
Desktop 86%
Aircraft carrier
Workstation 58%

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) January 2020 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.


1016 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 i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $43
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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