SanDiskSDSSDHII-480G-G25
SamsungMZ-7KE512BW

Controller: Marvell 88SS9187. Memory: SanDisk 19nm TLC.

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

Real World Speed
Performance profile from 31,180 user samples
13,336 User Benchmarks
Best Bench: 84% 446GB free
Worst Bench: 47% 51GB free
Poor: 47% Great: 84%
SPEED RANK: 391st / 885
17,844 User Benchmarks
Best Bench: 123% 477GB free
Worst Bench: 70% 176GB free
Poor: 70% Great: 123%
SPEED RANK: 70th / 885
Effective Speed
Effective SSD Speed
67.7 % 100 % Much faster effective speed.
+48%
Read
Avg. Sequential Read Speed
468 MB/s 499 MB/s Slightly faster read speed.
+7%
Write
Avg. Sequential Write Speed
276 MB/s 438 MB/s Much faster write speed.
+59%
4K Read
Avg. 4K Random Read Speed
26.8 MB/s 32.9 MB/s Faster random read.
+23%
4K Write
Avg. 4K Random Write Speed
48.7 MB/s 86.5 MB/s Much faster random write.
+78%
Mixed
Avg. Sequential Mixed IO Speed
269 MB/s 457 MB/s Much faster mixed IO speed.
+70%
4K Mixed
Avg. 4K Random Mixed IO Speed
14.6 MB/s 36.5 MB/s Hugely faster random mixed IO.
+150%
Read
Peak Sequential Read Speed
501 MB/s 528 MB/s Slightly faster peak read speed.
+5%
Write
Peak Sequential Write Speed
349 MB/s 503 MB/s Much faster peak write speed.
+44%
4K Read
Peak 4K Random Read Speed
36 MB/s 43 MB/s Faster peak random read.
+19%
4K Write
Peak 4K Random Write Speed
77.9 MB/s 120 MB/s Much faster peak random write.
+54%
Mixed
Peak Sequential Mixed IO Speed
338 MB/s 515 MB/s Much faster peak mixed IO speed.
+52%
4K Mixed
Peak 4K Random Mixed IO Speed
20.8 MB/s 54.2 MB/s Hugely faster peak random mixed IO.
+161%
Market Share
Based on 5,626,299 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.43 % 0.53 % Higher market share.
+23%
Value
Value For Money
87.1 % 91.3 % +5%
User Rating
UBM User Rating
63 % 74 % More popular.
+17%
Price
Price (score)
$130 Much cheaper.
+41%
$219
Age
Newest
41 Months +5% 43 Months
DQ Read
Peak 4K-64Thread Read Speed
366 MB/s 378 MB/s +3%
DQ Write
Peak 4K-64Thread Write Speed
211 MB/s 342 MB/s Much faster peak deep queue write.
+62%
AS-SSD Total
AS-SSD Total Score
1,012 Pts 1,243 Pts Stronger server IO.
+23%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
50.2 MB/s 169 MB/s Hugely faster peak deep queue mixed IO.
+237%
ADQ Read
Avg. 4K-64Thread Read Speed
191 MB/s 213 MB/s Slightly faster deep queue read.
+12%
ADQ Write
Avg. 4K-64Thread Write Speed
137 MB/s 226 MB/s Much faster deep queue write.
+65%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
29.4 MB/s 94.9 MB/s Hugely faster deep queue mixed IO.
+223%
Capacity
Capacity
480GB 512GB
Solid State Drive Rankings (Price vs Performance) February 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 $430Samsung 850 Evo 250GB $87
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $285Samsung 850 Evo 500GB $146
AMD Ryzen 5 1600 $170AMD RX 480 $400Samsung 850 Pro 256GB $140
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $185SanDisk Extreme 64GB $50
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $200SanDisk Extreme 16GB $18
Today's hottest deals
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback