CrucialCT525MX300SSD1
SamsungMZ-75E500B

Controller: Marvell 88SS1074. Flash Memory: Micron 3D TLC.

Controller: Samsung Dual Core MGX. Memory: Samsung 40nm TLC V-NAND

Real World Speed
Performance profile from 158,637 user samples
14,866 User Benchmarks
Best Bench: 87% 264GB free
Worst Bench: 56% 351GB free
Poor: 56% Great: 87%
SPEED RANK: 295th / 873
143,771 User Benchmarks
Best Bench: 118% 466GB free
Worst Bench: 68% 379GB free
Poor: 68% Great: 118%
SPEED RANK: 67th / 873
Effective Speed
Effective SSD Speed
72.5 % -33% 96.3 % Much faster effective speed.
+33%
Read
Avg. Sequential Read Speed
467 MB/s -7% 500 MB/s Slightly faster read speed.
+7%
Write
Avg. Sequential Write Speed
314 MB/s -25% 394 MB/s Faster write speed.
+25%
4K Read
Avg. 4K Random Read Speed
23.1 MB/s -65% 38.1 MB/s Much faster random read.
+65%
4K Write
Avg. 4K Random Write Speed
61.6 MB/s -28% 78.9 MB/s Faster random write.
+28%
Mixed
Avg. Sequential Mixed IO Speed
322 MB/s -25% 401 MB/s Faster mixed IO speed.
+25%
4K Mixed
Avg. 4K Random Mixed IO Speed
19 MB/s -84% 34.9 MB/s Hugely faster random mixed IO.
+84%
Read
Peak Sequential Read Speed
486 MB/s -7% 518 MB/s Slightly faster peak read speed.
+7%
Write
Peak Sequential Write Speed
342 MB/s -21% 415 MB/s Faster peak write speed.
+21%
4K Read
Peak 4K Random Read Speed
27.9 MB/s -72% 47.9 MB/s Much faster peak random read.
+72%
4K Write
Peak 4K Random Write Speed
87 MB/s -26% 110 MB/s Faster peak random write.
+26%
Mixed
Peak Sequential Mixed IO Speed
341 MB/s -24% 422 MB/s Faster peak mixed IO speed.
+24%
4K Mixed
Peak 4K Random Mixed IO Speed
26.6 MB/s -92% 51.2 MB/s Hugely faster peak random mixed IO.
+92%
Market Share
Based on 4,725,021 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.93 % -570% 6.23 % Hugely higher market share.
+570%
Value
Value For Money
94.4 % -28% 121 % Better value.
+28%
User Rating
UBM User Rating
62 % -58% 98 % Much more popular.
+58%
Price
Price (score)
$140 -0% $140 +0%
Age
Newest
18 Months Much more recent.
+50%
36 Months -50%
DQ Read
Peak 4K-64Thread Read Speed
339 MB/s -12% 379 MB/s Slightly faster peak deep queue read.
+12%
DQ Write
Peak 4K-64Thread Write Speed
228 MB/s -25% 284 MB/s Faster peak deep queue write.
+25%
AS-SSD Total
AS-SSD Total Score
979 Pts -20% 1,172 Pts Stronger server IO.
+20%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
47.2 MB/s -175% 130 MB/s Hugely faster peak deep queue mixed IO.
+175%
ADQ Read
Avg. 4K-64Thread Read Speed
180 MB/s -7% 193 MB/s Slightly faster deep queue read.
+7%
ADQ Write
Avg. 4K-64Thread Write Speed
149 MB/s -29% 192 MB/s Faster deep queue write.
+29%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
31 MB/s -132% 72 MB/s Hugely faster deep queue mixed IO.
+132%
Capacity
Capacity
525GB 500GB
Solid State Drive Rankings (Price vs Performance) December 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-7700K $313Nvidia GTX 1070 $410Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $285AMD RX 480 $265Samsung 850 Evo 500GB $140
Intel Core i5-7600K $215Nvidia GTX 1060-6GB $260Samsung 850 Pro 256GB $114
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $200SanDisk Extreme 64GB $41
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $1,050SanDisk Extreme 32GB $22
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $215SanDisk Ultra Fit 32GB $10
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