SamsungMZ-77E250B
SamsungMZ-76P512B

Controller: Samsung MKX. Memory: Samsung 128 layer TLC V-NAND. Release date: Q1 2021.

Controller: Samsung MJX. Memory: Samsung 64 layer MLC V-NAND. Release date ≈ Q1 2018.

Real World Speed
Performance profile from 14,594 user samples
2,378 User Benchmarks
Best Bench: 130% 174GB free (System drive)
Worst Bench: 75% 82GB free
Poor: 75% Great: 130%
SPEED RANK: 224th / 1058
12,216 User Benchmarks
Best Bench: 131% 241GB free
Worst Bench: 73% 448GB free (System drive)
Poor: 73% Great: 131%
SPEED RANK: 204th / 1058
Effective Speed
Effective SSD Speed
105 % 110 % Slightly faster effective speed.
+5%
Read
Avg. Sequential Read Speed
468 MB/s 474 MB/s +1%
Write
Avg. Sequential Write Speed
408 MB/s 422 MB/s +3%
4K Read
Avg. 4K Random Read Speed
37.8 MB/s +1% 37.4 MB/s
4K Write
Avg. 4K Random Write Speed
83.6 MB/s 90.4 MB/s Slightly faster random write.
+8%
Mixed
Avg. Sequential Mixed IO Speed
379 MB/s 403 MB/s Slightly faster mixed IO speed.
+6%
4K Mixed
Avg. 4K Random Mixed IO Speed
48.5 MB/s 49.9 MB/s +3%
SusWrite
Avg. Sustained Write Speed
346 MB/s 406 MB/s Faster sustained write speed.
+17%
Read
Peak Sequential Read Speed
516 MB/s 516 MB/s
Write
Peak Sequential Write Speed
490 MB/s +0% 489 MB/s
4K Read
Peak 4K Random Read Speed
50.2 MB/s Faster peak random read.
+10%
45.6 MB/s
4K Write
Peak 4K Random Write Speed
121 MB/s 125 MB/s +3%
Mixed
Peak Sequential Mixed IO Speed
457 MB/s +1% 454 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
67.7 MB/s Slightly faster peak random mixed IO.
+8%
62.4 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
393 MB/s 487 MB/s Faster peak sustained write speed.
+24%
Market Share
Based on 44,067,143 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.19 % Hugely higher market share.
+217%
0.06 %
Value
Value For Money
24.7 % Much better value.
+37%
18 %
User Rating
UBM User Rating
56 % Slightly more popular.
+8%
52 %
Price
Price (score)
$45 Much cheaper.
+70%
$150
Age
Newest
4 Months Hugely more recent.
+90%
40+ Months
DQ Read
Peak 4K-64Thread Read Speed
389 MB/s 389 MB/s
DQ Write
Peak 4K-64Thread Write Speed
361 MB/s +0% 360 MB/s
AS-SSD Total
AS-SSD Total Score
1291 Pts +0% 1,285 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
372 MB/s +2% 365 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
344 MB/s +1% 340 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
299 MB/s +1% 297 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
285 MB/s 304 MB/s Slightly faster deep queue mixed IO.
+7%
Capacity
Capacity
250GB 512GB
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light speed ssd [Feb '21 tester4678]

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Good :) [Apr '19 RifluY29]

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Solid State Drive Rankings (Price vs Performance) June 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.
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.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $44
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $96SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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