Average Bench: 96.5% (242nd of 1040)

Based on 9,725 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 3.5% 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 161MB/s
Avg. 4K Random Mixed IO Speed 40.6MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Pro 512GB is 46.8%. 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 322MB/s
Avg. Sustained Write Speed 339MB/s
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Average Bench

(Based on 9,725 samples)
Min Avg Max
339 Read 456 509
150 Write 370 485
240 Mixed 322 368
94 SusWrite 339 478
83.4% 372 MB/s
Min Avg Max
23.1 4K Read 30.4 35.4
46.1 4K Write 81.9 111
29.5 4K Mixed 40.6 48.6
141% 51 MB/s
Min Avg Max
214 DQ Read 337 386
159 DQ Write 278 335
108 DQ Mixed 161 198
160% 259 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
476GB free
Firmware: DXM05B0Q
SusWrite @10s intervals: 481 490 491 490 490 491 MB/s
Read 499
Write 461
Mixed 340
SusWrite 489
101% 447 MB/s
4K Read 36.8
4K Write 115
4K Mixed 48.5
179% 66.7 MB/s
DQ Read 377
DQ Write 336
DQ Mixed 163
175% 292 MB/s
102GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 485 485 485 484 484 484 MB/s
Read 504
Write 302
Mixed 374
SusWrite 484
93% 416 MB/s
4K Read 34
4K Write 100
4K Mixed 47.1
165% 60.4 MB/s
DQ Read 381
DQ Write 304
DQ Mixed 192
184% 292 MB/s
219GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 487 485 486 487 486 487 MB/s
Read 508
Write 486
Mixed 366
SusWrite 486
104% 462 MB/s
4K Read 34.8
4K Write 89
4K Mixed 46.4
159% 56.7 MB/s
DQ Read 379
DQ Write 338
DQ Mixed 196
191% 304 MB/s
426GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 480 482 480 483 483 483 MB/s
Read 502
Write 405
Mixed 369
SusWrite 482
99% 439 MB/s
4K Read 32.2
4K Write 84.8
4K Mixed 43.9
150% 53.6 MB/s
DQ Read 366
DQ Write 329
DQ Mixed 196
188% 297 MB/s
445GB free
Firmware: DXM04B0Q
SusWrite @10s intervals: 408 375 417 423 426 432 MB/s
Read 434
Write 393
Mixed 305
SusWrite 413
87% 386 MB/s
4K Read 28.8
4K Write 67.9
4K Mixed 35.3
125% 44 MB/s
DQ Read 271
DQ Write 244
DQ Mixed 149
141% 221 MB/s
120GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 286 304 219 313 254 361 MB/s
Read 425
Write 221
Mixed 304
SusWrite 289
69% 310 MB/s
4K Read 29.6
4K Write 74.2
4K Mixed 39
134% 47.6 MB/s
DQ Read 218
DQ Write 187
DQ Mixed 137
120% 180 MB/s
9,725 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 33,129,171 SSDs tested.

 Prices

OutletPCUS $30014 months
AmazonUS $4906 months
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Typical 840 Pro 512GB Builds (Compare 1,442 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 86%
Aircraft carrier
Desktop
Desktop 82%
Aircraft carrier
Workstation
Workstation 75%
Battleship

Motherboard: Asus RAMPAGE IV EXTREME - $589

EDIT WITH CUSTOM PC BUILDER Value: 49% - Average Total price: $1,839

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.
  • - 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) October 2020 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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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 $185Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $46
Intel Core i5-9400F $142Nvidia RTX 3080 $700Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $170Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $548SanDisk Extreme 16GB $28
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