SamsungMZ-7KE256BW
AdataASX8200NP-240GT-C

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

Release date ≈ Q2 2018.

Real World Speed
Performance profile from 55,620 user samples
52,969 User Benchmarks
Best Bench: 126% 116GB free
Worst Bench: 69% 113GB free (System drive)
Poor: 69% Great: 126%
SPEED RANK: 162nd / 980
2,651 User Benchmarks
Best Bench: 286% 447GB free
Worst Bench: 151% 114GB free (System drive)
Poor: 151% Great: 286%
SPEED RANK: 25th / 980
Effective Speed
Effective SSD Speed
104 % 240 % Hugely faster effective speed.
+131%
Read
Avg. Sequential Read Speed
469 MB/s 1841 MB/s Hugely faster read speed.
+293%
Write
Avg. Sequential Write Speed
413 MB/s 969 MB/s Hugely faster write speed.
+135%
4K Read
Avg. 4K Random Read Speed
33.9 MB/s 57.1 MB/s Much faster random read.
+68%
4K Write
Avg. 4K Random Write Speed
93.4 MB/s 138 MB/s Much faster random write.
+48%
Mixed
Avg. Sequential Mixed IO Speed
337 MB/s 935 MB/s Hugely faster mixed IO speed.
+177%
4K Mixed
Avg. 4K Random Mixed IO Speed
44.4 MB/s 76.7 MB/s Much faster random mixed IO.
+73%
SusWrite
Avg. Sustained Write Speed
359 MB/s 852 MB/s Hugely faster sustained write speed.
+137%
Read
Peak Sequential Read Speed
516 MB/s 2178 MB/s Hugely faster peak read speed.
+322%
Write
Peak Sequential Write Speed
489 MB/s 1141 MB/s Hugely faster peak write speed.
+133%
4K Read
Peak 4K Random Read Speed
43.9 MB/s 68.4 MB/s Much faster peak random read.
+56%
4K Write
Peak 4K Random Write Speed
132 MB/s 191 MB/s Much faster peak random write.
+45%
Mixed
Peak Sequential Mixed IO Speed
382 MB/s 1076 MB/s Hugely faster peak mixed IO speed.
+182%
4K Mixed
Peak 4K Random Mixed IO Speed
58.1 MB/s 94.2 MB/s Much faster peak random mixed IO.
+62%
SusWrite
Peak Sequential Sustained Write 60s Average
481 MB/s 1095 MB/s Hugely faster peak sustained write speed.
+128%
Market Share
Based on 11,455,347 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.55 % Hugely higher market share.
+267%
0.15 %
Value
Value For Money
70.3 % 286 % Hugely better value.
+307%
User Rating
UBM User Rating
96 % Much more popular.
+75%
55 %
Price
Price (score)
$163 $72 Much cheaper.
+56%
Age
Newest
54 Months 9+ Months Hugely more recent.
+83%
DQ Read
Peak 4K-64Thread Read Speed
389 MB/s 832 MB/s Hugely faster peak deep queue read.
+114%
DQ Write
Peak 4K-64Thread Write Speed
353 MB/s 1062 MB/s Hugely faster peak deep queue write.
+201%
AS-SSD Total
AS-SSD Total Score
1,281 Pts 3,027 Pts Hugely stronger server IO.
+136%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
357 MB/s 648 MB/s Hugely faster peak deep queue mixed IO.
+82%
ADQ Read
Avg. 4K-64Thread Read Speed
341 MB/s 743 MB/s Hugely faster deep queue read.
+118%
ADQ Write
Avg. 4K-64Thread Write Speed
300 MB/s 776 MB/s Hugely faster deep queue write.
+159%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
300 MB/s 570 MB/s Hugely faster deep queue mixed IO.
+90%
Capacity
Capacity
256GB 240GB
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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

Adata’s XPG SX8200 offers NVMe PCIe SSD performance at SATA SSD prices, thereby offering outstanding value for money to casual and power PC users alike. Adata have combined two high performance commodity components: a Silicon Motion controller (SM2262) and Micron’s second generation 3D TLC 64 layer flash memory. The XPG SX8200 also includes a generous SLC cache and a DRAM cache buffer. Adata have not specified the exact size of the SLC cache in each model but it’s clear from our 60 second sustained write tests that the buffer is sufficient for more than 60 seconds of continuous writes which equates to over 60GB (60s x 1 GB/s) for the 240GB model and over 90GB (60s x 1.5 GB/s) for the 480GB and 960GB models. Unlike many other drives with SLC caching, the SX8200 has a large enough cache to ensure that consumers will almost always operate the drive within the cache and therefore experience no write degradation at all. Adata offer a 5 year warranty and a limited TBW warranty (160 TBW for the 240 GB version, 320 TBW for the 480GB and 640 TBW for the 960GB) on these SSDs, which is in line with other premium manufacturers. The NVMe PCIe SSD consumer market has been dominated by Samsung in recent years but the 240GB SX8200 beats Samsung’s 250GB 970 Evo hands down on both price and performance (the 250GB 970 Evo is let down by a relatively small SLC cache which allows for less than 10 seconds of writes before saturation after which the write speed on the Evo drops to mere sub SATA 300 MB/s). The SX8200 is the new value leader and heralds a new era of competition for the mainstream segment of the NVMe SSD market. [Jul '18 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) January 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

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The Best.
CPUGPUSSD
Intel Core i7-8700K $360Nvidia GTX 1070 $320Samsung 850 Evo 250GB $70
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $204Samsung 850 Evo 500GB $110
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $105SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $780SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $125SanDisk Extreme 16GB $22
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