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Samsung

850 PRO 256GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 105% (234th of 1072)

Based on 45 user benchmarks.  Model: Samsung SSD 850 PRO 256GB
Poor: 87%Average: 105% Great: 120%

Outstanding average bench

The Samsung 850 PRO 256GB averaged 4.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 850 PRO 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 245MB/s
Avg. 4K Random Mixed IO Speed 41.8MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung 850 PRO 256GB is 32.4%. This is a relatively narrow range which indicates that the Samsung 850 PRO 256GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 387MB/s
Avg. Sustained Write Speed 396MB/s
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Average Bench

(Based on 45 samples)
Rank 234105%
Min Avg Max
364 Read 492 528
84.5 Write 439 502
112 Mixed 387 512
41.8 SusWrite 396 483
96.4% 429 MB/s
Min Avg Max
19.7 4K Read 34.4 45
32 4K Write 87 126
18.8 4K Mixed 41.8 58.7
152% 54.4 MB/s
Min Avg Max
25.2 DQ Read 319 386
69.1 DQ Write 266 349
22.6 DQ Mixed 245 360
197% 277 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
110GB free
Firmware: EXM04B6Q
SusWrite @10s intervals: 449 459 461 472 472 472 MB/s
104% Outstanding
Read 468
Write 429
Mixed 361
SusWrite 464
97% 431 MB/s
4K Read 29.8
4K Write 68.3
4K Mixed 39.8
132% 46 MB/s
DQ Read 383
DQ Write 341
DQ Mixed 355
268% 359 MB/s
45 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,667,014 SSDs tested

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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.

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How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
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  • - Drive tests include: read, write, sustained write and mixed IO
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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
vs Samsung 850 Evo 250GB
vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

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 $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair 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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