SamsungMZ-7TE250BW
OCZVTX4-25SAT3-256G

Controller: Samsung 3 Core MEX. Memory: Samsung 19nm Toggle Mode TLC.

Controller: Indilinx Everest 2 IDX400M00-BC. Flash Memory: Intel Synchronous 25nm MLC.

Real World Speed
Performance profile from 37,602 user samples
35,247 User Benchmarks
Best Bench: 97% 151GB free
Worst Bench: 58% 150GB free
Poor: 58% Great: 97%
SPEED RANK: 177th / 850
2,355 User Benchmarks
Best Bench: 108% 180GB free
Worst Bench: 64% 4GB free
Poor: 64% Great: 108%
SPEED RANK: 90th / 850
Effective Speed
Effective SSD Speed
81.1 % -10% 88.9 % Slightly faster effective speed.
+10%
Read
Avg. Sequential Read Speed
487 MB/s Slightly faster read speed.
+7%
456 MB/s -7%
Write
Avg. Sequential Write Speed
321 MB/s -26% 404 MB/s Faster write speed.
+26%
4K Read
Avg. 4K Random Read Speed
37.5 MB/s Much faster random read.
+37%
27.4 MB/s -37%
4K Write
Avg. 4K Random Write Speed
60.6 MB/s -49% 90.5 MB/s Much faster random write.
+49%
Mixed
Avg. Sequential Mixed IO Speed
331 MB/s -18% 389 MB/s Faster mixed IO speed.
+18%
4K Mixed
Avg. 4K Random Mixed IO Speed
21.3 MB/s -26% 26.8 MB/s Faster random mixed IO.
+26%
Read
Peak Sequential Read Speed
511 MB/s +3% 497 MB/s -3%
Write
Peak Sequential Write Speed
352 MB/s -37% 481 MB/s Much faster peak write speed.
+37%
4K Read
Peak 4K Random Read Speed
46.2 MB/s Much faster peak random read.
+35%
34.3 MB/s -35%
4K Write
Peak 4K Random Write Speed
84.4 MB/s -60% 135 MB/s Much faster peak random write.
+60%
Mixed
Peak Sequential Mixed IO Speed
358 MB/s -22% 437 MB/s Faster peak mixed IO speed.
+22%
4K Mixed
Peak 4K Random Mixed IO Speed
27.8 MB/s -31% 36.4 MB/s Much faster peak random mixed IO.
+31%
Market Share
Based on 2,858,430 SSDs tested.
Market Share
Market Share (trailing 30 days)
2.41 % Insanely higher market share.
+1,908%
0.12 % -1,908%
Value
Value For Money
58 % Hugely better value.
+89%
30.7 % -89%
User Rating
UBM User Rating
65 % Slightly more popular.
+7%
61 % -7%
Price
Price (score)
$148 Much cheaper.
+63%
$400 -63%
Age
Newest
46 Months More recent.
+25%
61 Months -25%
DQ Read
Peak 4K-64Thread Read Speed
368 MB/s Slightly faster peak deep queue read.
+9%
339 MB/s -9%
DQ Write
Peak 4K-64Thread Write Speed
241 MB/s -34% 323 MB/s Much faster peak deep queue write.
+34%
AS-SSD Total
AS-SSD Total Score
1,074 Pts -8% 1,157 Pts Slightly stronger server IO.
+8%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
84.3 MB/s -46% 123 MB/s Much faster peak deep queue mixed IO.
+46%
ADQ Read
Avg. 4K-64Thread Read Speed
193 MB/s +3% 187 MB/s -3%
ADQ Write
Avg. 4K-64Thread Write Speed
161 MB/s -32% 213 MB/s Much faster deep queue write.
+32%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
50.1 MB/s -53% 76.6 MB/s Much faster deep queue mixed IO.
+53%
Capacity
Capacity
250GB 256GB
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The Evo is remarkable in that, like the Sandisk Extreme II, it features a second level cache. For the 250 GB Evo this consists of a 3 GB Turbowrite cache (TWC) which is a block of high speed Flash Memory. When the TWC is exhausted write speeds drop by approximately 50% but that won't often happen under typical consumer workloads. In terms of raw performance, even with its cache, the Evo still isn't the fastest drive. With a real world speed index reading of 439 MB/s the EVO is however, within reach of the two speed leaders (Vector and 850 Pro). At a price point of $130 the Evo is around 30% cheaper making it the best value for money SSDs I have seen in 2014. Comparing the Evo and the Sandisk Ultra Plus shows that the Evo is the winner but the Sandisk may be a viable alternative thanks to its cache-free, and therefore more consistent performance during extended writes. [Aug '14 SSDrivePro]

MORE DETAILS

The Vertex 4 is just over a year old but thanks to its recent firmware update (1.5), it still manages to perform almost on a par with the best drives currently available. One of the striking aspects of the Vertex is its well-rounded performance profile. With an AS-SSD score of 1137 and a real world speed of 548 the Vertex 4 is able to cope extremely well with both server and consumer type workloads. This drive uses the new Indilux Everest 2 controller, which unlike the previous generations of this drive which used a SandForce controller, is able to cope admirably with both compressible and incompressible data. Overall, the Vertex 4 is a great performing SSD that said, there are better value for money (and younger) drives available, including the Vertex 4's own successor, the OCZ Vector[Jun '13 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) May 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 $309Nvidia GTX 1070 $368Samsung 850 Evo 250GB $90
Intel Core i5-7600K $229AMD RX 480 $227Samsung 850 Pro 256GB $132
AMD Ryzen 7 1700 $300Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $160
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $700SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $46Corsair Vengeance LPX DDR4 3200 C16 2x8GB $136SanDisk Ultra Fit 32GB $12
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