SamsungMZ-75E250B
OCZ

Controller: Samsung Dual Core MGX. Memory: Samsung 40nm TLC V-NAND. Release date: Q4 2014.

  

Controller: LSI SandForce SF2281VB1-SDC. Memory: Micron Asynchronous 25nm MLC. Release date ≤ Q4 2013.

Real World Speed
Performance profile from 485,613 user samples
476,103 User Benchmarks
Best Bench: 125% 552GB free
Worst Bench: 75% 30GB free (System drive)
Poor: 75% Great: 125%
SPEED RANK: 181st / 1005
9,510 User Benchmarks
Best Bench: 51% 56GB free
Worst Bench: 29% 26GB free
Poor: 29% Great: 51%
SPEED RANK: 862nd / 1005
Effective Speed
Effective SSD Speed
106 % Hugely faster effective speed.
+154%
41.6 %
Read
Avg. Sequential Read Speed
473 MB/s Hugely faster read speed.
+188%
164 MB/s
Write
Avg. Sequential Write Speed
443 MB/s Hugely faster write speed.
+601%
63.2 MB/s
4K Read
Avg. 4K Random Read Speed
40.5 MB/s Hugely faster random read.
+85%
21.9 MB/s
4K Write
Avg. 4K Random Write Speed
102 MB/s Hugely faster random write.
+91%
53.5 MB/s
Mixed
Avg. Sequential Mixed IO Speed
374 MB/s Hugely faster mixed IO speed.
+314%
90.4 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
54.4 MB/s Hugely faster random mixed IO.
+122%
24.5 MB/s
SusWrite
Avg. Sustained Write Speed
241 MB/s Hugely faster sustained write speed.
+321%
57.2 MB/s
Read
Peak Sequential Read Speed
507 MB/s Hugely faster peak read speed.
+165%
191 MB/s
Write
Peak Sequential Write Speed
492 MB/s Hugely faster peak write speed.
+554%
75.2 MB/s
4K Read
Peak 4K Random Read Speed
48.3 MB/s Much faster peak random read.
+72%
28 MB/s
4K Write
Peak 4K Random Write Speed
134 MB/s Hugely faster peak random write.
+85%
72.5 MB/s
Mixed
Peak Sequential Mixed IO Speed
416 MB/s Hugely faster peak mixed IO speed.
+285%
108 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
65.7 MB/s Hugely faster peak random mixed IO.
+105%
32.1 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
325 MB/s Hugely faster peak sustained write speed.
+368%
69.4 MB/s
Market Share
Based on 15,870,161 SSDs tested.
Market Share
Market Share (trailing 30 days)
3.06 % Insanely higher market share.
+15,200%
0.02 %
User Rating
UBM User Rating
129 % Hugely more popular.
+158%
50 %
Age
Newest
55 Months More recent.
+18%
67+ Months
DQ Read
Peak 4K-64Thread Read Speed
385 MB/s Hugely faster peak deep queue read.
+177%
139 MB/s
DQ Write
Peak 4K-64Thread Write Speed
361 MB/s Hugely faster peak deep queue write.
+386%
74.3 MB/s
AS-SSD Total
AS-SSD Total Score
1,294 Pts Hugely stronger server IO.
+193%
442 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
369 MB/s Hugely faster peak deep queue mixed IO.
+298%
92.7 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
343 MB/s Hugely faster deep queue read.
+363%
74.1 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
312 MB/s Hugely faster deep queue write.
+410%
61.2 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
318 MB/s Hugely faster deep queue mixed IO.
+431%
59.9 MB/s
Capacity
Capacity
250GB 60GB
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The 250GB Samsung 850 Evo has a similar architecture to its hugely successful predecessor, the 840 Evo. Both drives are TLC based but the 850 uses 3D V-NAND as opposed to regular NAND. Both drives also feature a Turbowrite cache (TWC) which buffers up to 3GB of writes. The TWC enables high burst write speeds but when the cache exhausts write speeds drop to 300 MB/s. Comparing the 850 and 840 Evos shows that effective speed, has improved by 11% and the warranty has been extended from three to five years but prices are also up by 11%. The 850 Evo does put in superb benchmarks (second only to the 850 Pro) but these are only valid within the TWC. At current price levels the 850 Evo struggles to compete with the value leaders[Dec '14 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) July 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 i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $252Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $70G.SKILL Trident Z DDR4 3200 C14 4x16GB $724SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Ultra Fit 32GB $12
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