Average Bench: 216% (76th of 1058)

more Based on 63,336 user benchmarks.  Models: SAMSUNG MZVLB512HAJQ-000L2, SAMSUNG MZVLB512HAJQ-000L7, PM981 NVMe Samsung 512GB, NVMe SAMSUNG MZVLB512, SAMSUNG MZVLB512HAJQ-00000, NVMe PM981 NVMe Samsu

Outstanding average bench

The Samsung PM981 NVMe PCIe M.2 512GB averaged 115.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM981 NVMe PCIe M.2 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 809MB/s
Avg. 4K-64Thread Read Speed 976MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung PM981 NVMe PCIe M.2 512GB is 150%. This is a particularly wide range which indicates that the Samsung PM981 NVMe PCIe M.2 512GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 638MB/s
Avg. 4K Random Write Speed 111MB/s

Average Bench

(Based on 63,336 samples)
Min Avg Max
783 Read 1,724 2,349
727 Write 1,521 2,042
652 Mixed 1,166 1,582
363 SusWrite 638 857
282% 1,262 MB/s
Min Avg Max
33.5 4K Read 54.2 66.6
59.6 4K Write 111 161
34 4K Mixed 68 89.3
228% 77.8 MB/s
Min Avg Max
381 DQ Read 976 1,521
233 DQ Write 684 1,177
334 DQ Mixed 809 1,298
610% 823 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
225GB free (System drive)
Firmware: EXA74D1Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 726 645 650 648 648 638 MB/s
Read 2,139
Write 1,926
Mixed 1,299
SusWrite 659
336% 1,506 MB/s
4K Read 48.2
4K Write 96
4K Mixed 64.2
206% 69.5 MB/s
DQ Read 887
DQ Write 662
DQ Mixed 754
569% 768 MB/s
63,336 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 49,497,146 SSDs tested.

Typical PM981 NVMe PCIe M.2 512GB Builds (Compare 6,820 builds) See popular component choices, score breakdowns and rankings.
Gaming 13%
Tree trunk
Desktop 75%
Workstation 12%
Tree trunk

System: Razer Blade


Popular PM981 NVMe PCIe M.2 512GB 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.

UserBenchmark of the month

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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) December 2021 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.


Added n/a ago.


3 years ago.

the best money can buy, once mated with Samsung NVMe drivers


12 months ago.

trash prebuild gaming pc and that SSD is overprice to buy..


13 months ago.

userbenchmark has the big gaeeeeeeeeeeeeeeeeeee


19 months ago.

There is a device that is successful according to the price.

1058 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 i5-12600K $300Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11600K $220Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $315Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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