ToshibaKXG50ZNV512G
SamsungMZVLB512HAJQ

Release date ≈ Q3 2017.

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Release date ≈ Q4 2017.

Real World Speed
Performance profile from 34,454 user samples
14,132 User Benchmarks
Best Bench: 212% 88GB free (System drive)
Worst Bench: 90% 56GB free (System drive)
Poor: 90% Great: 212%
SPEED RANK: 117th / 1011
20,322 User Benchmarks
Best Bench: 296% 477GB free
Worst Bench: 145% 145GB free (System drive)
Poor: 145% Great: 296%
SPEED RANK: 50th / 1011
Effective Speed
Effective SSD Speed
146 % 225 % Much faster effective speed.
+55%
Read
Avg. Sequential Read Speed
1204 MB/s 1707 MB/s Much faster read speed.
+42%
Write
Avg. Sequential Write Speed
558 MB/s 1538 MB/s Hugely faster write speed.
+176%
4K Read
Avg. 4K Random Read Speed
32.4 MB/s 53.4 MB/s Much faster random read.
+65%
4K Write
Avg. 4K Random Write Speed
99.1 MB/s 117 MB/s Faster random write.
+18%
Mixed
Avg. Sequential Mixed IO Speed
570 MB/s 1140 MB/s Hugely faster mixed IO speed.
+100%
4K Mixed
Avg. 4K Random Mixed IO Speed
43.6 MB/s 69.5 MB/s Much faster random mixed IO.
+59%
SusWrite
Avg. Sustained Write Speed
404 MB/s 718 MB/s Much faster sustained write speed.
+78%
Read
Peak Sequential Read Speed
1833 MB/s 2349 MB/s Faster peak read speed.
+28%
Write
Peak Sequential Write Speed
1094 MB/s 1896 MB/s Much faster peak write speed.
+73%
4K Read
Peak 4K Random Read Speed
47.5 MB/s 67.7 MB/s Much faster peak random read.
+43%
4K Write
Peak 4K Random Write Speed
150 MB/s 180 MB/s Faster peak random write.
+20%
Mixed
Peak Sequential Mixed IO Speed
1318 MB/s 1564 MB/s Faster peak mixed IO speed.
+19%
4K Mixed
Peak 4K Random Mixed IO Speed
67.6 MB/s 92.8 MB/s Much faster peak random mixed IO.
+37%
SusWrite
Peak Sequential Sustained Write 60s Average
639 MB/s 846 MB/s Much faster peak sustained write speed.
+32%
Market Share
Based on 17,616,003 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.2 % 0.52 % Hugely higher market share.
+160%
User Rating
UBM User Rating
51 % 53 % +4%
Age
Newest
24+ Months 22+ Months Slightly more recent.
+8%
DQ Read
Peak 4K-64Thread Read Speed
1019 MB/s 1608 MB/s Much faster peak deep queue read.
+58%
DQ Write
Peak 4K-64Thread Write Speed
949 MB/s 1352 MB/s Much faster peak deep queue write.
+42%
AS-SSD Total
AS-SSD Total Score
3,070 Pts 4,599 Pts Much stronger server IO.
+50%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
756 MB/s 1453 MB/s Hugely faster peak deep queue mixed IO.
+92%
ADQ Read
Avg. 4K-64Thread Read Speed
665 MB/s 1023 MB/s Much faster deep queue read.
+54%
ADQ Write
Avg. 4K-64Thread Write Speed
437 MB/s 833 MB/s Hugely faster deep queue write.
+91%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
383 MB/s 909 MB/s Hugely faster deep queue mixed IO.
+137%
Capacity
Capacity
512GB 512GB
Solid State Drive Rankings (Price vs Performance) September 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.
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 i5-9400F $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $80
Intel Core i5-9600K $219Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $105
AMD Ryzen 5 3600 $195Nvidia RTX 2060S (Super) $429Samsung 850 Pro 256GB $211
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $34G.SKILL Trident Z DDR4 3200 C14 4x16GB $630SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $64Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 16GB $24
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