Average Bench: 95.7% (227th of 1016)

Based on 7,231 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 4.3% 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 162MB/s
Avg. 4K Random Mixed IO Speed 39.8MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Pro 512GB is 52.3%. 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 320MB/s
Avg. Sustained Write Speed 335MB/s
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Average Bench

(Based on 7,231 samples)
Min Avg Max
347 Read 455 511
143 Write 362 482
229 Mixed 320 370
94.8 SusWrite 335 479
82.5% 368 MB/s
Min Avg Max
19.7 4K Read 30.1 36.5
39.7 4K Write 82.8 118
25.5 4K Mixed 39.8 49.9
141% 50.9 MB/s
Min Avg Max
183 DQ Read 337 386
132 DQ Write 273 335
83.2 DQ Mixed 162 198
160% 258 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
109GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 455 470 442 462 428 341 MB/s
Read 513
Write 469
Mixed 351
SusWrite 433
99% 442 MB/s
4K Read 35.4
4K Write 110
4K Mixed 48.1
174% 64.5 MB/s
DQ Read 386
DQ Write 303
DQ Mixed 161
170% 283 MB/s
408GB free (System drive)
Firmware: DXM05B0Q
SusWrite @10s intervals: 264 410 467 456 448 458 MB/s
Read 458
Write 459
Mixed 338
SusWrite 417
94% 418 MB/s
4K Read 32.2
4K Write 107
4K Mixed 42.2
159% 60.4 MB/s
DQ Read 381
DQ Write 306
DQ Mixed 154
167% 280 MB/s
426GB free (System drive)
Firmware: DXM04B0Q
SusWrite @10s intervals: 332 320 444 437 438 442 MB/s
Read 464
Write 441
Mixed 329
SusWrite 402
92% 409 MB/s
4K Read 31.4
4K Write 102
4K Mixed 45.5
160% 59.5 MB/s
DQ Read 380
DQ Write 305
DQ Mixed 171
175% 285 MB/s
165GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 408 385 354 344 322 310 MB/s
Read 479
Write 443
Mixed 358
SusWrite 354
92% 408 MB/s
4K Read 29.4
4K Write 104
4K Mixed 40.6
152% 58.2 MB/s
DQ Read 381
DQ Write 308
DQ Mixed 191
185% 293 MB/s
209GB free (System drive)
Firmware: DXM0
SusWrite @10s intervals: 360 412 367 359 358 402 MB/s
Read 421
Write 401
Mixed 287
SusWrite 376
84% 371 MB/s
4K Read 20.6
4K Write 38.1
4K Mixed 25.7
84% 28.1 MB/s
DQ Read 358
DQ Write 314
DQ Mixed 152
164% 275 MB/s
7,231 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,625,156 SSDs tested.

 Prices

OutletPCUS $3005 months
AmazonUS $3442 months
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Typical 840 Pro 512GB Builds (Compare 5,163 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 100%
UFO
Desktop
Desktop 66%
Battle cruiser
Workstation
Workstation 58%
Gunboat

Motherboard: Asus RAMPAGE IV EXTREME - $589

EDIT WITH CUSTOM PC BUILDER Value: 38% - Below average Total price: $2,192

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.

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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) January 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

Added n/a ago.
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1016 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 i5-9400F $155Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $43
Intel Core i5-9600K $218Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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