Average Bench: 242% (44th of 1016)

Based on 311 user benchmarks.  Model: PM981a NVMe Samsung 512GB

Outstanding average bench

The Pm981a NVMe Samsung 512GB averaged 141.6% 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 920MB/s
Avg. Sequential Write Speed 1,709MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Pm981a NVMe Samsung 512GB is 156%. 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 111MB/s
Avg. Sustained Write Speed 922MB/s
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Average Bench

(Based on 311 samples)
Min Avg Max
841 Read 1,866 2,645
1,005 Write 1,709 2,402
773 Mixed 1,372 1,850
721 SusWrite 922 1,042
329% 1,468 MB/s
Min Avg Max
38.3 4K Read 55.4 66.5
66.9 4K Write 111 146
49.2 4K Mixed 71.1 89.1
234% 79 MB/s
Min Avg Max
317 DQ Read 999 1,439
257 DQ Write 700 1,226
417 DQ Mixed 920 1,312
668% 873 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
368GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 2138 823 824 824 826 822 MB/s
Read 2,636
Write 2,394
Mixed 1,840
SusWrite 1,043
442% 1,978 MB/s
4K Read 64
4K Write 139
4K Mixed 85.2
280% 96 MB/s
DQ Read 1322
DQ Write 1134
DQ Mixed 1,229
921% 1,228 MB/s
368GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1606 958 820 823 817 823 MB/s
Read 2,641
Write 2,399
Mixed 1,691
SusWrite 974
430% 1,926 MB/s
4K Read 64.7
4K Write 146
4K Mixed 88.2
288% 99.5 MB/s
DQ Read 1,262
DQ Write 752
DQ Mixed 893
696% 969 MB/s
386GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1771 1066 832 836 837 840 MB/s
Read 2,383
Write 1,959
Mixed 1,635
SusWrite 1,030
392% 1,752 MB/s
4K Read 55.3
4K Write 112
4K Mixed 71.8
235% 79.7 MB/s
DQ Read 976
DQ Write 824
DQ Mixed 894
672% 898 MB/s
386GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1440 1220 828 835 841 836 MB/s
Read 2,386
Write 1,942
Mixed 1434
SusWrite 1,000
377% 1,690 MB/s
4K Read 55.7
4K Write 104
4K Mixed 70.9
231% 77 MB/s
DQ Read 990
DQ Write 820
DQ Mixed 887
669% 899 MB/s
237GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 808 804 810 818 812 812 MB/s
Read 2,258
Write 1,882
Mixed 1,575
SusWrite 810
364% 1,631 MB/s
4K Read 53.9
4K Write 96.8
4K Mixed 56.6
206% 69.1 MB/s
DQ Read 965
DQ Write 813
DQ Mixed 897
670% 892 MB/s
397GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 811 831 815 805 804 812 MB/s
Read 1,699
Write 1,241
Mixed 1332
SusWrite 813
284% 1,271 MB/s
4K Read 52
4K Write 114
4K Mixed 71.2
230% 79 MB/s
DQ Read 927
DQ Write 387
DQ Mixed 873
589% 729 MB/s
423GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1218 1174 803 779 791 824 MB/s
Read 1,604
Write 1044
Mixed 1,232
SusWrite 932
269% 1,203 MB/s
4K Read 57.6
4K Write 119
4K Mixed 55.9
222% 77.4 MB/s
DQ Read 821
DQ Write 359
DQ Mixed 840
556% 673 MB/s
405GB free (System drive)
Firmware: 15302129 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1175 1093 788 613 812 805 MB/s
Read 1,137
Write 1,289
Mixed 947
SusWrite 881
240% 1,063 MB/s
4K Read 58.5
4K Write 104
4K Mixed 70.6
234% 77.5 MB/s
DQ Read 1061
DQ Write 475
DQ Mixed 958
660% 831 MB/s
311 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,545,781 SSDs tested.

Typical NVMe Samsung 512GB Builds (Compare 2,709 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 97%
Nuclear submarine
Workstation
Workstation 64%
Destroyer

System: Dell XPS 15 7590

EDIT WITH CUSTOM PC BUILDER

Popular NVMe Samsung 512GB systems:

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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]

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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

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

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