Average Bench: 230% (51st of 1026)

Based on 925 user benchmarks.  Model: PM981a NVMe Samsung 512GB

Outstanding average bench

The Pm981a NVMe Samsung 512GB averaged 130.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Pm981a NVMe Samsung 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 836MB/s
Avg. Sequential Write Speed 1,699MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Pm981a NVMe Samsung 512GB is 164%. This is a particularly wide range which indicates that the Pm981a NVMe Samsung 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Write Speed 108MB/s
Avg. Sustained Write Speed 886MB/s
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Average Bench

(Based on 925 samples)
Min Avg Max
855 Read 1,786 2,637
862 Write 1,699 2,400
728 Mixed 1,342 1,860
608 SusWrite 886 1,043
320% 1,429 MB/s
Min Avg Max
34.8 4K Read 53.7 65.8
57 4K Write 108 149
42.9 4K Mixed 68.6 88.3
226% 76.7 MB/s
Min Avg Max
310 DQ Read 900 1,341
156 DQ Write 627 1,156
284 DQ Mixed 836 1,233
604% 787 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
272GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 809 793 792 812 833 827 MB/s
Read 2,633
Write 2,426
Mixed 1,807
SusWrite 811
429% 1,919 MB/s
4K Read 64.4
4K Write 148
4K Mixed 88.3
289% 100 MB/s
DQ Read 1,362
DQ Write 1,227
DQ Mixed 1,261
955% 1,283 MB/s
328GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 952 843 839 842 838 836 MB/s
Read 2,612
Write 2,385
Mixed 1,822
SusWrite 859
429% 1,919 MB/s
4K Read 64.9
4K Write 143
4K Mixed 86
284% 97.9 MB/s
DQ Read 61.9
DQ Write 1,148
DQ Mixed 1219
761% 810 MB/s
398GB free (System drive)
Firmware: 15303129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 2107 804 805 806 804 803 MB/s
Read 2,346
Write 2,284
Mixed 1,714
SusWrite 1,022
412% 1,841 MB/s
4K Read 53.5
4K Write 100
4K Mixed 68.9
223% 74.3 MB/s
DQ Read 892
DQ Write 767
DQ Mixed 839
626% 832 MB/s
109GB free (System drive)
Firmware: 15303129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 917 834 849 841 817 821 MB/s
Read 1,544
Write 1,434
Mixed 1,167
SusWrite 846
280% 1,248 MB/s
4K Read 46.1
4K Write 79.7
4K Mixed 57.5
186% 61.1 MB/s
DQ Read 452
DQ Write 277
DQ Mixed 536
353% 421 MB/s
925 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 29,380,745 SSDs tested.

Typical NVMe Samsung 512GB Builds (Compare 5,530 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 101%
UFO
Workstation
Workstation 72%
Battleship

System: Dell XPS 15 7590

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Popular NVMe Samsung 512GB systems:

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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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  • - CPU tests include: integer, floating and string.
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Solid State Drive Rankings (Price vs Performance) August 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]

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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.

 Comments

1026 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.
CPUGPUSSD
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Intel Core i7-9700K $350Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $48
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $63SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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