Average Bench: 96.1% (258th of 1058)

Based on 13,502 user benchmarks.  Models: Samsung SSD 840 PRO Series, Samsung SSD 840, Samsung SSD 840 PRO Seri, Samsung SSD 840 PRO

Excellent average bench

The Samsung 840 Pro 512GB averaged just 3.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 840 Pro 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 163MB/s
Avg. 4K Random Mixed IO Speed 39.9MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Pro 512GB is 51.4%. This is a relatively wide range which indicates that the Samsung 840 Pro 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 321MB/s
Avg. Sustained Write Speed 342MB/s
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Average Bench

(Based on 13,502 samples)
Min Avg Max
342 Read 462 510
136 Write 371 482
225 Mixed 321 369
79.3 SusWrite 342 476
83.9% 374 MB/s
Min Avg Max
22.7 4K Read 31 36.1
40.3 4K Write 80.1 112
27.1 4K Mixed 39.9 49.3
141% 50.4 MB/s
Min Avg Max
216 DQ Read 339 386
110 DQ Write 265 336
106 DQ Mixed 163 198
160% 256 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
223GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 468 468 470 470 471 343 MB/s
Read 477
Write 449
Mixed 326
SusWrite 448
96% 425 MB/s
4K Read 30.8
4K Write 82.2
4K Mixed 43
145% 52 MB/s
DQ Read 382
DQ Write 305
DQ Mixed 172
175% 286 MB/s
158GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 368 379 472 476 476 477 MB/s
Read 493
Write 467
Mixed 367
SusWrite 441
100% 442 MB/s
4K Read 30.5
4K Write 80.4
4K Mixed 42.5
143% 51.1 MB/s
DQ Read 374
DQ Write 304
DQ Mixed 197
186% 292 MB/s
410GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 420 444 446 441 466 457 MB/s
Read 444
Write 441
Mixed 320
SusWrite 446
93% 412 MB/s
4K Read 31.1
4K Write 86.7
4K Mixed 41.6
146% 53.1 MB/s
DQ Read 378
DQ Write 308
DQ Mixed 161
170% 282 MB/s
402GB free (System drive)
Firmware: DXM05B0Q
SusWrite @10s intervals: 304 355 406 413 415 415 MB/s
Read 434
Write 409
Mixed 322
SusWrite 385
87% 387 MB/s
4K Read 28
4K Write 72.7
4K Mixed 37.6
129% 46.1 MB/s
DQ Read 376
DQ Write 335
DQ Mixed 190
188% 300 MB/s
280GB free (System drive)
Firmware: DXM03B0Q
SusWrite @10s intervals: 239 337 395 375 431 433 MB/s
Read 458
Write 185
Mixed 259
SusWrite 368
71% 317 MB/s
4K Read 33
4K Write 79.5
4K Mixed 41.9
146% 51.5 MB/s
DQ Read 208
DQ Write 184
DQ Mixed 119
110% 170 MB/s
52GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 120 90 86 89 94 90 MB/s
Read 453
Write 175
Mixed 250
SusWrite 94.7
54% 243 MB/s
4K Read 35
4K Write 109
4K Mixed 45.8
169% 63.2 MB/s
DQ Read 382
DQ Write 252
DQ Mixed 148
156% 261 MB/s
13,502 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,500,531 SSDs tested.

 Prices

AmazonUS $40022 mins
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Typical 840 Pro 512GB Builds (Compare 2,522 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 83%
Aircraft carrier
Desktop
Desktop 81%
Aircraft carrier
Workstation
Workstation 72%
Battleship

Motherboard: Asus RAMPAGE IV EXTREME - $589

EDIT WITH CUSTOM PC BUILDER Value: 42% - Average Total price: $1,989

Popular 840 Pro 512GB compatible motherboards:

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.
  • - 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) August 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

Controller: Samsung 3-core MDX. Flash Memory: Samsung 21nm Toggle Mode MLC

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1058 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 i5-11600K $270Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $394Nvidia RTX 3080 $700Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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