Average Bench: 97.2% (179th of 980)

Based on 4,946 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 2.7% 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 40.5MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Pro 512GB is 54.3%. 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 322MB/s
Avg. Sustained Write Speed 344MB/s
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Average Bench

(Based on 4,946 samples)
Min Avg Max
340 Read 456 510
148 Write 376 483
243 Mixed 322 369
90.1 SusWrite 344 479
84.1% 375 MB/s
Min Avg Max
20.6 4K Read 30.4 36.4
40.3 4K Write 85.3 119
27.1 4K Mixed 40.5 50.5
143% 52.1 MB/s
Min Avg Max
87.7 DQ Read 338 386
128 DQ Write 279 335
87.7 DQ Mixed 162 199
161% 260 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
316GB free (System drive)
Firmware: 6B0Q
SusWrite @10s intervals: 447 444 459 411 417 418 MB/s
Read 419
Write 404
Mixed 322
SusWrite 432
89% 394 MB/s
4K Read 36.2
4K Write 118
4K Mixed 50.1
181% 68.1 MB/s
DQ Read 379
DQ Write 310
DQ Mixed 174
177% 288 MB/s
368GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 448 447 448 441 455 454 MB/s
Read 511
Write 318
Mixed 365
SusWrite 449
92% 411 MB/s
4K Read 33.9
4K Write 96.3
4K Mixed 46.2
162% 58.8 MB/s
DQ Read 381
DQ Write 305
DQ Mixed 198
187% 294 MB/s
181GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 467 471 472 463 422 373 MB/s
Read 502
Write 479
Mixed 342
SusWrite 444
99% 442 MB/s
4K Read 31.4
4K Write 74.1
4K Mixed 40.6
139% 48.7 MB/s
DQ Read 258
DQ Write 235
DQ Mixed 142
135% 212 MB/s
36GB free (System drive)
Firmware: DXM06B0Q
SusWrite @10s intervals: 328 318 321 196 91 101 MB/s
Read 408
Write 278
Mixed 294
SusWrite 226
67% 302 MB/s
4K Read 31.9
4K Write 84.4
4K Mixed 42.9
148% 53.1 MB/s
DQ Read 362
DQ Write 307
DQ Mixed 147
161% 272 MB/s
56GB free
Firmware: DXM06B0Q
SusWrite @10s intervals: 155 123 123 117 111 115 MB/s
Read 437
Write 279
Mixed 297
SusWrite 124
63% 284 MB/s
4K Read 23
4K Write 52.9
4K Mixed 28.6
100% 34.8 MB/s
DQ Read 350
DQ Write 283
DQ Mixed 92.1
130% 242 MB/s
4,946 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 11,455,935 SSDs tested.

 Prices

OutletPCUS $3519 months
AmazonUS $4087 mins
EbayUS $45029 mins
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Typical 840 Pro 512GB Builds (Compare 3,332 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 114%
UFO
Desktop
Desktop 74%
Battleship
Workstation
Workstation 70%
Battleship

Motherboard: Asus RAMPAGE IV EXTREME - $589

EDIT WITH CUSTOM PC BUILDER Value: 76% - Very good Total price: $2,220

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 2019 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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980 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 i7-8700K $360Nvidia GTX 1070 $320Samsung 850 Evo 250GB $70
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $204Samsung 850 Evo 500GB $110
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $105SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $780SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $125SanDisk Extreme 16GB $22
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