Average Bench: 35.5% (950th of 1040)

Based on 111 user benchmarks.  Model: SAMSUNG SSD PM81

Poor average bench

The Samsung PM81 256GB averaged 64.5% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Write Speed 31.5MB/s
Avg. 4K Random Read Speed 10.6MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Samsung PM81 256GB is 24.7%. This is a relatively narrow range which indicates that the Samsung PM81 256GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Mixed IO Speed 13.4MB/s
Avg. 4K-64Thread Write Speed 56.1MB/s
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Average Bench

(Based on 111 samples)
Min Avg Max
43.4 Read 181 262
81.1 Write 203 251
50.4 Mixed 155 252
64.6 SusWrite 187 240
41% 181 MB/s
Min Avg Max
2.06 4K Read 10.6 16.1
11.1 4K Write 31.5 55.6
2.25 4K Mixed 9.38 17.2
44.7% 17.1 MB/s
Min Avg Max
7.43 DQ Read 82.9 124
29.9 DQ Write 56.1 76.3
1.53 DQ Mixed 13.4 27.6
25.1% 50.8 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
73GB free
Firmware: 8D1Q
SusWrite @10s intervals: 224 224 233 237 237 238 MB/s
Read 76.6
Write 206
Mixed 144
SusWrite 232
38% 165 MB/s
4K Read 15.4
4K Write 45.7
4K Mixed 17.1
69% 26.1 MB/s
DQ Read 124
DQ Write 68.2
DQ Mixed 23.7
37% 71.9 MB/s
158GB free
Firmware: 7D1Q
SusWrite @10s intervals: 216 231 240 240 235 226 MB/s
Read 134
Write 179
Mixed 182
SusWrite 231
41% 182 MB/s
4K Read 14.1
4K Write 39.4
4K Mixed 15.4
62% 23 MB/s
DQ Read 114
DQ Write 63.4
DQ Mixed 22.2
34% 66.5 MB/s
141GB free (System drive)
Firmware: 7D1Q
SusWrite @10s intervals: 218 220 204 167 203 216 MB/s
Read 95.2
Write 244
Mixed 188
SusWrite 205
42% 183 MB/s
4K Read 15.8
4K Write 47.5
4K Mixed 16.4
70% 26.6 MB/s
DQ Read 113
DQ Write 68
DQ Mixed 23.5
36% 68.2 MB/s
168GB free (System drive)
Firmware: AXM77D1Q
SusWrite @10s intervals: 200 227 226 225 225 224 MB/s
Read 234
Write 226
Mixed 189
SusWrite 221
49% 217 MB/s
4K Read 10.5
4K Write 24.6
4K Mixed 13.5
46% 16.2 MB/s
DQ Read 114
DQ Write 74.8
DQ Mixed 27.5
39% 72.2 MB/s
101GB free (System drive)
Firmware: 6D1Q
SusWrite @10s intervals: 186 227 223 230 224 225 MB/s
Read 112
Write 222
Mixed 137
SusWrite 219
39% 173 MB/s
4K Read 11.2
4K Write 26.7
4K Mixed 13.1
48% 17 MB/s
DQ Read 91.4
DQ Write 55.9
DQ Mixed 19.2
29% 55.5 MB/s
63GB free
Firmware: 8D1Q
SusWrite @10s intervals: 220 176 216 215 180 186 MB/s
Read 40
Write 231
Mixed 118
SusWrite 199
34% 147 MB/s
4K Read 12.5
4K Write 33.3
4K Mixed 11.2
51% 19 MB/s
DQ Read 88.9
DQ Write 53.5
DQ Mixed 17.8
28% 53.4 MB/s
111 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 37,836,566 SSDs tested.

Typical PM81 256GB Builds (Compare 1,269 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 9%
Tree trunk
Desktop
Desktop 60%
Gunboat
Workstation
Workstation 9%
Tree trunk

System: Dell Precision WorkStation T7500

EDIT WITH CUSTOM PC BUILDER

Popular PM81 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.

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.
  • - 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 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]

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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

1040 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
Intel Core i5-9600K $219Nvidia RTX 3060-Ti $400Crucial MX500 250GB $47
Intel Core i5-10600K $257Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10400F $161Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $40
HDDRAMUSB
Seagate Barracuda 1TB (2016) $47Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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