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Samsung

PM81 256GB

▲ 500 ▼

Release date ≈ Q1 2015.

Average Bench: 35.8% (982nd of 1072)

Based on 127 user benchmarks.  Model: SAMSUNG SSD PM81
Poor: 20%Average: 35.8% Great: 49%

Popular builds with this SSD

Poor average bench

The Samsung PM81 256GB averaged 64.2% 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 31.6MB/s
Avg. 4K Random Read Speed 10.8MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Samsung PM81 256GB is 28.6%. 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 14.3MB/s
Avg. 4K-64Thread Write Speed 57.3MB/s
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Average Bench

(Based on 127 samples)
Rank 98235.8%
Min Avg Max
40.4 Read 176 261
73.4 Write 203 250
46.5 Mixed 155 250
74.3 SusWrite 190 240
40.9% 181 MB/s
Min Avg Max
2.21 4K Read 10.8 16.4
10.5 4K Write 31.6 56.6
2.27 4K Mixed 9.92 17.8
45.8% 17.4 MB/s
Min Avg Max
7.9 DQ Read 84.9 124
34.7 DQ Write 57.3 76.7
1.67 DQ Mixed 14.3 27.5
26% 52.2 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
55GB free
Firmware: 8D1Q
SusWrite @10s intervals: 237 228 236 237 237 238 MB/s
49.2% Average
Read 239
Write 238
Mixed 197
SusWrite 236
51% 227 MB/s
4K Read 16.3
4K Write 39.5
4K Mixed 17.7
68% 24.5 MB/s
DQ Read 121
DQ Write 76.8
DQ Mixed 24.8
38% 74.3 MB/s
127GB free (System drive)
Firmware: 8D1Q
SusWrite @10s intervals: 213 210 233 209 223 224 MB/s
47.4% Average
Read 235
Write 220
Mixed 190
SusWrite 219
49% 216 MB/s
4K Read 14.4
4K Write 42.3
4K Mixed 17.2
66% 24.6 MB/s
DQ Read 123
DQ Write 75.1
DQ Mixed 26.2
39% 74.9 MB/s
47GB free (System drive)
Firmware: 8D1Q
SusWrite @10s intervals: 62 176 199 208 219 216 MB/s
29.6% Poor
Read 80.3
Write 216
Mixed 125
SusWrite 180
34% 150 MB/s
4K Read 9.8
4K Write 21.6
4K Mixed 12.2
42% 14.5 MB/s
DQ Read 93.8
DQ Write 11.2
DQ Mixed 2
14% 35.7 MB/s
14GB free (System drive)
Firmware: 7D1Q
SusWrite @10s intervals: 131 179 209 226 225 188 MB/s
25.1% Poor
Read 22.6
Write 171
Mixed 126
SusWrite 193
30% 128 MB/s
4K Read 9
4K Write 19.6
4K Mixed 8.4
35% 12.3 MB/s
DQ Read 60
DQ Write 25.7
DQ Mixed 17.4
20% 34.4 MB/s
127 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,714,360 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical PM81 256GB Builds (Compare 1,108 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 25%
Raft
Desktop
Desktop 74%
Battleship
Workstation
Workstation 25%
Raft

System: Dell Precision WorkStation T7500

CPU
CPU: Intel Xeon X56901stBench 72%, 2,873 samples163x
CPU: Intel Xeon X56751stBench 68%, 4,275 samples88x
Xeon X5690IntelBench 75%, 4,873 samples74x
GPU
GTX 1050-TiNvidia  $59Bench 29%, 946,701 samples61x
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples54x
RX 580AMD  $130Bench 52%, 360,351 samples51x
SSD
PM81 256GBSamsungBench 36%, 127 samples1x
RAM
6x8GBUnknownBench 53%, 2,890 samples126x
6x4GBUnknownBench 47%, 28,320 samples126x
12x4GBUnknownBench 52%, 970 samples108x
EDIT WITH CUSTOM PC BUILDER Value: 118% - Outstanding Total price: $59

Popular PM81 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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) April 2024 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.

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Speed Comparisons

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vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
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1072 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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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