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Samsung

PM81 128GB

▲ 500 ▼

Release date ≤ Q4 2013.

Average Bench: 36.5% (974th of 1072)

Based on 69 user benchmarks.  Model: SAMSUNG SSD PM81
Poor: 19%Average: 36.5% Great: 50%

Popular builds with this SSD

Poor average bench

The Samsung PM81 128GB averaged 63.4% 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 Read Speed 12.5MB/s
Avg. 4K Random Write Speed 32.1MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung PM81 128GB is 30.7%. This is a relatively narrow range which indicates that the Samsung PM81 128GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 41.3MB/s
Avg. 4K-64Thread Mixed IO Speed 13.9MB/s
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Average Bench

(Based on 69 samples)
Rank 97436.5%
Min Avg Max
66.6 Read 196 261
58.3 Write 190 250
41.2 Mixed 153 249
13.5 SusWrite 149 232
38.7% 172 MB/s
Min Avg Max
2.96 4K Read 12.5 18.3
14 4K Write 32.1 57.8
3.8 4K Mixed 10.9 18.1
49.9% 18.5 MB/s
Min Avg Max
15.4 DQ Read 98.8 124
18.9 DQ Write 41.3 71.8
4.08 DQ Mixed 13.9 23.5
25.2% 51.3 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
36GB free
Firmware: 8D1Q
SusWrite @10s intervals: 217 235 226 232 216 211 MB/s
49.2% Average
Read 248
Write 228
Mixed 188
SusWrite 223
50% 222 MB/s
4K Read 18.2
4K Write 39.7
4K Mixed 18.4
72% 25.4 MB/s
DQ Read 124
DQ Write 41.7
DQ Mixed 23.4
33% 62.9 MB/s
53GB free
Firmware: AXM0
SusWrite @10s intervals: 231 175 157 136 109 127 MB/s
44.2% Average
Read 252
Write 238
Mixed 162
SusWrite 156
45% 202 MB/s
4K Read 17.7
4K Write 41
4K Mixed 16.3
69% 25 MB/s
DQ Read 124
DQ Write 39.4
DQ Mixed 20
31% 61 MB/s
118GB free
Firmware: 6D1Q
SusWrite @10s intervals: 188 194 210 207 186 193 MB/s
35% Below average
Read 65.6
Write 176
Mixed 125
SusWrite 196
32% 141 MB/s
4K Read 13.9
4K Write 30.8
4K Mixed 14.2
56% 19.6 MB/s
DQ Read 122
DQ Write 31.3
DQ Mixed 17.3
28% 56.9 MB/s
40GB free
Firmware: AXM0
SusWrite @10s intervals: 167 163 161 160 160 158 MB/s
34.2% Below average
Read 159
Write 213
Mixed 166
SusWrite 161
40% 175 MB/s
4K Read 9.5
4K Write 36.5
4K Mixed 12.6
50% 19.5 MB/s
DQ Read 61.8
DQ Write 60
DQ Mixed 19.7
26% 47.2 MB/s
119GB free
Firmware: AXM0
SusWrite @10s intervals: 150 141 141 141 145 139 MB/s
33% Below average
Read 163
Write 219
Mixed 166
SusWrite 143
39% 173 MB/s
4K Read 9.9
4K Write 35.1
4K Mixed 12.1
49% 19 MB/s
DQ Read 61.9
DQ Write 63.9
DQ Mixed 19.5
27% 48.4 MB/s
63GB free (System drive)
Firmware: 6D1Q
SusWrite @10s intervals: 106 131 157 158 154 158 MB/s
28.3% Poor
Read 52.2
Write 163
Mixed 105
SusWrite 144
27% 116 MB/s
4K Read 12.2
4K Write 23.5
4K Mixed 12
46% 15.9 MB/s
DQ Read 122
DQ Write 23.7
DQ Mixed 14.5
26% 53.5 MB/s
80GB free (System drive)
Firmware: 6D1Q
SusWrite @10s intervals: 116 167 179 163 183 180 MB/s
26% Poor
Read 162
Write 61.6
Mixed 97.7
SusWrite 165
27% 122 MB/s
4K Read 4.7
4K Write 14.3
4K Mixed 7.7
25% 8.9 MB/s
DQ Read 59.6
DQ Write 19.9
DQ Mixed 9.8
15% 29.8 MB/s
69 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,713,528 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 128GB Builds (Compare 274 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 5%
Tree trunk
Desktop
Desktop 50%
Yacht
Workstation
Workstation 5%
Tree trunk

System: Dell Precision M4500

CPU
Core i7 Q 740Intel  $190Bench 54%, 13,278 samples55x
Core i7 M 620IntelBench 42%, 9,076 samples36x
Core i7 Q 840Intel  $85Bench 56%, 1,339 samples35x
GPU
Quadro FX 880MNvidiaBench 2%, 4,542 samples167x
Quadro FX 1800MNvidiaBench 3%, 1,209 samples107x
SSD
PM81 128GBSamsungBench 37%, 69 samples1x
RAM
HMT351S6BFR8C-H9 2x4GBHynixBench 40%, 8,137 samples28x
M471B5273CH0-CH9 2x4GBSamsungBench 41%, 10,285 samples24x
M471B5273DH0-CH9 2x4GBSamsungBench 43%, 15,815 samples16x
EDIT WITH CUSTOM PC BUILDER Value: 60% - Above average Total price: $190

Popular PM81 128GB 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

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
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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