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SamsungMZ-7KE512BW
AdataASX8200PNP-256GT-C
▲ 566,203 ▼

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

VS
About
▲ 57129 ▼

Release date ≈ Q4 2018.

Effective Speed 
+110%
Real World Speed
Performance profile from 102,912 user samples
Benchmark your SSD here
68,849 User Benchmarks
Best Bench: 124% 397GB free
Worst Bench: 71% 267GB free (System drive)
Poor: 71% Great: 124%
SPEED RANK: 249th / 1071
34,063 User Benchmarks
Best Bench: 271% 53GB free (System drive)
Worst Bench: 139% 69GB free (System drive)
Poor: 139% Great: 271%
SPEED RANK: 88th / 1071
Effective Speed
Effective SSD Speed 		102 % 213 % Hugely faster effective speed.
+110%
Average Score 
+115%
Read
Avg. Sequential Read Speed 		465 MB/s 2218 MB/s Hugely faster read speed.
+377%
Write
Avg. Sequential Write Speed 		408 MB/s 957 MB/s Hugely faster write speed.
+135%
4K Read
Avg. 4K Random Read Speed 		33.1 MB/s 55.3 MB/s Much faster random read.
+67%
4K Write
Avg. 4K Random Write Speed 		86.9 MB/s 138 MB/s Much faster random write.
+59%
Mixed
Avg. Sequential Mixed IO Speed 		349 MB/s 767 MB/s Hugely faster mixed IO speed.
+120%
4K Mixed
Avg. 4K Random Mixed IO Speed 		43.7 MB/s 73.9 MB/s Much faster random mixed IO.
+69%
SusWrite
Avg. Sustained Write Speed 		364 MB/s Faster sustained write speed.
+25% 		292 MB/s
Peak Score 
+147%
Read
Peak Sequential Read Speed 		515 MB/s 2718 MB/s Hugely faster peak read speed.
+428%
Write
Peak Sequential Write Speed 		486 MB/s 1221 MB/s Hugely faster peak write speed.
+151%
4K Read
Peak 4K Random Read Speed 		42.7 MB/s 70.6 MB/s Much faster peak random read.
+65%
4K Write
Peak 4K Random Write Speed 		122 MB/s 209 MB/s Much faster peak random write.
+71%
Mixed
Peak Sequential Mixed IO Speed 		399 MB/s 1284 MB/s Hugely faster peak mixed IO speed.
+222%
4K Mixed
Peak 4K Random Mixed IO Speed 		57.4 MB/s 96.4 MB/s Much faster peak random mixed IO.
+68%
SusWrite
Peak Sequential Sustained Write 60s Average 		487 MB/s 605 MB/s Faster peak sustained write speed.
+24%
Value & Sentiment 
+77%
Market Share
Based on 65,310,213 SSDs tested.
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.06 % 0.06 %
Value
Value For Money 		13.7 % 45.4 % Hugely better value.
+232%
User Rating
UBM User Rating 		56 % 57 % +2%
Price
Price (score) 		$194 $53 Much cheaper.
+73%
Nice To Haves 
+98%
Age
Newest 		104 Months 52+ Months Much more recent.
+50%
DQ Read
Peak 4K-64Thread Read Speed 		388 MB/s 838 MB/s Hugely faster peak deep queue read.
+116%
DQ Write
Peak 4K-64Thread Write Speed 		360 MB/s 1072 MB/s Hugely faster peak deep queue write.
+198%
AS-SSD Total
AS-SSD Total Score 		1,274 Pts 3,134 Pts Hugely stronger server IO.
+146%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		365 MB/s 495 MB/s Much faster peak deep queue mixed IO.
+36%
ADQ Read
Avg. 4K-64Thread Read Speed 		337 MB/s 707 MB/s Hugely faster deep queue read.
+110%
ADQ Write
Avg. 4K-64Thread Write Speed 		279 MB/s 573 MB/s Hugely faster deep queue write.
+105%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		295 MB/s 370 MB/s Faster deep queue mixed IO.
+25%
Specifications 
Capacity
Capacity 		512GB 256GB
User Builds 
68,849
34,063
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

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Solid State Drive Rankings (Price vs Performance) March 2023 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

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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 $320Nvidia RTX 3060 $350Crucial MX500 250GB $34
Intel Core i5-12600K $194Nvidia RTX 3060-Ti $420Samsung 850 Evo 120GB $106
Intel Core i5-12400F $158Nvidia RTX 4070-Ti $830Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $43SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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