CrucialCT525MX300SSD1
SamsungMZ-7KE512BW

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

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND

Real World Speed
Performance profile from 42,355 user samples
21,573 User Benchmarks
Best Bench: 85% 302GB free
Worst Bench: 52% 276GB free
Poor: 52% Great: 85%
SPEED RANK: 367th / 921
20,782 User Benchmarks
Best Bench: 122% 369GB free
Worst Bench: 71% 58GB free
Poor: 71% Great: 122%
SPEED RANK: 101st / 921
Effective Speed
Effective SSD Speed
71.1 % 99.6 % Much faster effective speed.
+40%
Read
Avg. Sequential Read Speed
462 MB/s 501 MB/s Slightly faster read speed.
+8%
Write
Avg. Sequential Write Speed
311 MB/s 442 MB/s Much faster write speed.
+42%
4K Read
Avg. 4K Random Read Speed
22.8 MB/s 32.1 MB/s Much faster random read.
+41%
4K Write
Avg. 4K Random Write Speed
59.1 MB/s 85.5 MB/s Much faster random write.
+45%
Mixed
Avg. Sequential Mixed IO Speed
316 MB/s 464 MB/s Much faster mixed IO speed.
+47%
4K Mixed
Avg. 4K Random Mixed IO Speed
18.6 MB/s 35.7 MB/s Hugely faster random mixed IO.
+92%
Read
Peak Sequential Read Speed
485 MB/s 528 MB/s Slightly faster peak read speed.
+9%
Write
Peak Sequential Write Speed
342 MB/s 502 MB/s Much faster peak write speed.
+47%
4K Read
Peak 4K Random Read Speed
27.3 MB/s 41 MB/s Much faster peak random read.
+50%
4K Write
Peak 4K Random Write Speed
80.9 MB/s 120 MB/s Much faster peak random write.
+48%
Mixed
Peak Sequential Mixed IO Speed
341 MB/s 515 MB/s Much faster peak mixed IO speed.
+51%
4K Mixed
Peak 4K Random Mixed IO Speed
26 MB/s 53.8 MB/s Hugely faster peak random mixed IO.
+107%
Market Share
Based on 6,402,869 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.55 % Much higher market share.
+53%
0.36 %
Value
Value For Money
101 % Better value.
+19%
85.3 %
User Rating
UBM User Rating
64 % 74 % More popular.
+16%
Price
Price (score)
$124 Much cheaper.
+48%
$238
Age
Newest
22 Months Much more recent.
+51%
45 Months
DQ Read
Peak 4K-64Thread Read Speed
333 MB/s 376 MB/s Slightly faster peak deep queue read.
+13%
DQ Write
Peak 4K-64Thread Write Speed
222 MB/s 340 MB/s Much faster peak deep queue write.
+53%
AS-SSD Total
AS-SSD Total Score
957 Pts 1,234 Pts Stronger server IO.
+29%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
47.2 MB/s 166 MB/s Hugely faster peak deep queue mixed IO.
+252%
ADQ Read
Avg. 4K-64Thread Read Speed
169 MB/s 221 MB/s Much faster deep queue read.
+31%
ADQ Write
Avg. 4K-64Thread Write Speed
143 MB/s 225 MB/s Much faster deep queue write.
+57%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
30.6 MB/s 95 MB/s Hugely faster deep queue mixed IO.
+210%
Capacity
Capacity
525GB 512GB
Solid State Drive Rankings (Price vs Performance) April 2018 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]

ADVERTISEMENT

Group Test Results

  • Best user rated - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.
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 i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $80
AMD Ryzen 5 1600 $170Nvidia GTX 1060-6GB $290Samsung 850 Evo 500GB $137
Intel Core i7-7700K $286AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $45
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $204SanDisk Ultra Fit 32GB $12
Today's hottest deals
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback