Average Bench: 97.6% (253rd of 1058)

Based on 12,218 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 2.3% 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 166MB/s
Avg. 4K Random Mixed IO Speed 41MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Pro 512GB is 48.1%. 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 323MB/s
Avg. Sustained Write Speed 345MB/s
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Average Bench

(Based on 12,218 samples)
Min Avg Max
349 Read 462 511
145 Write 372 483
233 Mixed 323 375
81 SusWrite 345 483
84.2% 376 MB/s
Min Avg Max
22.6 4K Read 30.7 36.2
47.9 4K Write 83.4 113
30 4K Mixed 41 49.7
143% 51.7 MB/s
Min Avg Max
216 DQ Read 345 386
133 DQ Write 272 336
110 DQ Mixed 166 198
163% 261 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
452GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 405 430 441 438 449 456 MB/s
Read 492
Write 465
Mixed 360
SusWrite 436
99% 438 MB/s
4K Read 33.3
4K Write 97.6
4K Mixed 45.9
161% 58.9 MB/s
DQ Read 376
DQ Write 311
DQ Mixed 195
186% 294 MB/s
335GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 466 459 462 468 472 462 MB/s
Read 505
Write 471
Mixed 353
SusWrite 465
101% 448 MB/s
4K Read 34.4
4K Write 81.7
4K Mixed 43.5
151% 53.2 MB/s
DQ Read 376
DQ Write 328
DQ Mixed 192
188% 299 MB/s
198GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 426 454 460 452 465 459 MB/s
Read 478
Write 463
Mixed 351
SusWrite 453
98% 436 MB/s
4K Read 27.6
4K Write 83.2
4K Mixed 34.4
130% 48.4 MB/s
DQ Read 386
DQ Write 305
DQ Mixed 188
183% 293 MB/s
409GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 345 404 427 414 416 417 MB/s
Read 477
Write 455
Mixed 355
SusWrite 404
95% 423 MB/s
4K Read 22.9
4K Write 70.7
4K Mixed 33.8
115% 42.5 MB/s
DQ Read 386
DQ Write 305
DQ Mixed 199
189% 297 MB/s
67GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 410 366 283 394 373 322 MB/s
Read 346
Write 146
Mixed 263
SusWrite 358
62% 278 MB/s
4K Read 29
4K Write 70.1
4K Mixed 38.8
131% 46 MB/s
DQ Read 376
DQ Write 191
DQ Mixed 164
154% 244 MB/s
159GB free (System drive)
Firmware: DXM05B0Q
SusWrite @10s intervals: 193 203 198 183 176 162 MB/s
Read 458
Write 185
Mixed 296
SusWrite 186
62% 281 MB/s
4K Read 31.1
4K Write 78.2
4K Mixed 40.2
140% 49.8 MB/s
DQ Read 376
DQ Write 283
DQ Mixed 146
159% 268 MB/s
12,218 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 41,898,164 SSDs tested.

 Prices

EbayUS $2105 mins
OutletPCUS $30020 months
AmazonUS $49012 months
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Typical 840 Pro 512GB Builds (Compare 2,250 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 83%
Aircraft carrier
Desktop
Desktop 81%
Aircraft carrier
Workstation
Workstation 73%
Battleship

Motherboard: Asus RAMPAGE IV EXTREME - $589

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $1,709

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) April 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

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The Best.
CPUGPUSSD
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Intel Core i5-11600K $265Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i5-10600K $215Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $38Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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