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SamsungMZ-7KE256BW
SamsungMZ-V6E250BW
▲ 5441,222 ▼

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND. Release date: Q3 2014.

VS
Effective Speed 
+96%
Real World Speed
Performance profile from 382,558 user samples
Benchmark your SSD here
141,929 User Benchmarks
Best Bench: 124% 238GB free
Worst Bench: 71% 71GB free (System drive)
Poor: 71% Great: 124%
SPEED RANK: 248th / 1072
240,629 User Benchmarks
Best Bench: 236% 151GB free (System drive)
Worst Bench: 142% 85GB free (System drive)
Poor: 142% Great: 236%
SPEED RANK: 99th / 1072
Effective Speed
Effective SSD Speed 		102 % 199 % Hugely faster effective speed.
+96%
Average Score 
+96%
Read
Avg. Sequential Read Speed 		469 MB/s 1753 MB/s Hugely faster read speed.
+274%
Write
Avg. Sequential Write Speed 		396 MB/s 1260 MB/s Hugely faster write speed.
+218%
4K Read
Avg. 4K Random Read Speed 		33.9 MB/s 43.9 MB/s Faster random read.
+29%
4K Write
Avg. 4K Random Write Speed 		89.6 MB/s 141 MB/s Much faster random write.
+57%
Mixed
Avg. Sequential Mixed IO Speed 		334 MB/s 559 MB/s Much faster mixed IO speed.
+67%
4K Mixed
Avg. 4K Random Mixed IO Speed 		44.1 MB/s 52.9 MB/s Faster random mixed IO.
+20%
SusWrite
Avg. Sustained Write Speed 		346 MB/s 366 MB/s Slightly faster sustained write speed.
+6%
Peak Score 
+100%
Read
Peak Sequential Read Speed 		515 MB/s 2121 MB/s Hugely faster peak read speed.
+312%
Write
Peak Sequential Write Speed 		488 MB/s 1473 MB/s Hugely faster peak write speed.
+202%
4K Read
Peak 4K Random Read Speed 		43.6 MB/s 54.5 MB/s Faster peak random read.
+25%
4K Write
Peak 4K Random Write Speed 		125 MB/s 210 MB/s Much faster peak random write.
+68%
Mixed
Peak Sequential Mixed IO Speed 		383 MB/s 691 MB/s Hugely faster peak mixed IO speed.
+80%
4K Mixed
Peak 4K Random Mixed IO Speed 		56.7 MB/s 64.9 MB/s Faster peak random mixed IO.
+14%
SusWrite
Peak Sequential Sustained Write 60s Average 		484 MB/s +1% 481 MB/s
Value & Sentiment 
+134%
Market Share
Based on 75,662,639 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.06 % 0.17 % Hugely higher market share.
+183%
Value
Value For Money 		12.1 % 46.8 % Hugely better value.
+288%
User Rating
UBM User Rating 		54 % 56 % +4%
Price
Price (score) 		$115 $45 Much cheaper.
+61%
Nice To Haves 
+176%
Age
Newest 		117 Months 88+ Months More recent.
+25%
DQ Read
Peak 4K-64Thread Read Speed 		388 MB/s 1230 MB/s Hugely faster peak deep queue read.
+217%
DQ Write
Peak 4K-64Thread Write Speed 		361 MB/s 1260 MB/s Hugely faster peak deep queue write.
+249%
AS-SSD Total
AS-SSD Total Score 		1,280 Pts 3,857 Pts Hugely stronger server IO.
+201%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		356 MB/s 929 MB/s Hugely faster peak deep queue mixed IO.
+161%
ADQ Read
Avg. 4K-64Thread Read Speed 		344 MB/s 1025 MB/s Hugely faster deep queue read.
+198%
ADQ Write
Avg. 4K-64Thread Write Speed 		282 MB/s 921 MB/s Hugely faster deep queue write.
+227%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		295 MB/s 687 MB/s Hugely faster deep queue mixed IO.
+133%
Specifications 
Capacity
Capacity 		256GB 250GB
Conclusion 
Average Bench 102%
Average Bench 199%
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The 256GB Samsung 850 Pro is the fastest consumer SSD we have seen to date. Thanks to Samsung's new 3D V-NAND the 850 Pro has lower power consumption and better performance, albeit marginally, than both the 840 Evo and 840 Pro. Looking at the benchmark figures for the 840 and 850 Pros shows that the effective performance improvement is 10% whereas the 850 Pro beats the 840 Evo by 16%. These drives effectively saturate SATA 3.0 making it difficult to distinguish between them in day-to-day use. At current prices the 850 Pro is prohibitively expensive, prices need to drop by 15% before it approaches the 840 Pro from a value perspective. Samsung may release a value orientated 850 Evo soon, but for now "most" users are better off with the 840 Pro. [Oct '14 SSDrivePro]

MORE DETAILS

The 960 Evo SSD is one of Samsung’s premier NVMe SSDs, along with their current flagship, the 960 Pro. The Evo variant is available in a variety of capacities including 250, 500 and 1000 GB, each with a commensurate price tag, whilst the 960 Pro is available in 512, 1024 and 2048 GB capacities. The 960 Evo has lower write endurance compared to the 960 Pro due to its TLC (3-bit) V-NAND flash memory (the 960 Pro consists of MLC (2-bit) V-NAND). As a result, Samsung only guarantee 200 terabytes written on the 512 GB 960 Evo, compared to double that on the 960 Pro, however, this volume of data is very unlikely to affect consumers. The 250 GB 960 Evo has a 13 GB SLC cache which boosts initial write speed to roughly match the 960 Pro but writes exceeding 13 GB drop in speed by over 50%. Overall, the 960 Pro offers more consistent write performance than the 960 Evo, however, this will only impact workloads that exceed the 13 GB. [Nov '17 SSDrivePro]

MORE DETAILS

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Solid State Drive Rankings (Price vs Performance) April 2024 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 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 value for money upgrades.

UserBenchmark of the month

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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
  • - SkillBench (space shooter) tests user input accuracy
  • - 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

 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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