CrucialCT250BX100SSD1
SamsungMZ-7TE250BW

Controller: Silicon Motion SM2246EN. Flash Memory: Micron 16nm MLC.

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

Real World Speed
Performance profile from 66,451 user samples
10,714 User Benchmarks
Best Bench: 100% 61GB free
Worst Bench: 63% 22GB free
Poor: 63% Great: 100%
SPEED RANK: 143rd / 873
55,737 User Benchmarks
Best Bench: 95% 69GB free
Worst Bench: 58% 118GB free
Poor: 58% Great: 95%
SPEED RANK: 206th / 873
Effective Speed
Effective SSD Speed
84.3 % Slightly faster effective speed.
+5%
80 % -5%
Read
Avg. Sequential Read Speed
502 MB/s +4% 484 MB/s -4%
Write
Avg. Sequential Write Speed
355 MB/s Slightly faster write speed.
+10%
322 MB/s -10%
4K Read
Avg. 4K Random Read Speed
25 MB/s -44% 36.1 MB/s Much faster random read.
+44%
4K Write
Avg. 4K Random Write Speed
78.8 MB/s Much faster random write.
+35%
58.3 MB/s -35%
Mixed
Avg. Sequential Mixed IO Speed
411 MB/s Faster mixed IO speed.
+24%
331 MB/s -24%
4K Mixed
Avg. 4K Random Mixed IO Speed
26.9 MB/s Faster random mixed IO.
+28%
21 MB/s -28%
Read
Peak Sequential Read Speed
524 MB/s +3% 510 MB/s -3%
Write
Peak Sequential Write Speed
371 MB/s Slightly faster peak write speed.
+6%
351 MB/s -6%
4K Read
Peak 4K Random Read Speed
30.6 MB/s -46% 44.8 MB/s Much faster peak random read.
+46%
4K Write
Peak 4K Random Write Speed
112 MB/s Much faster peak random write.
+39%
80.4 MB/s -39%
Mixed
Peak Sequential Mixed IO Speed
432 MB/s Faster peak mixed IO speed.
+21%
358 MB/s -21%
4K Mixed
Peak 4K Random Mixed IO Speed
37.6 MB/s Much faster peak random mixed IO.
+40%
26.9 MB/s -40%
Market Share
Based on 5,235,874 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.27 % -381% 1.3 % Hugely higher market share.
+381%
Value
Value For Money
62.9 % Better value.
+15%
54.5 % -15%
User Rating
UBM User Rating
62 % -10% 68 % Slightly more popular.
+10%
Price
Price (score)
$140 Slightly cheaper.
+11%
$158 -11%
Age
Newest
36 Months Much more recent.
+33%
54 Months -33%
DQ Read
Peak 4K-64Thread Read Speed
277 MB/s -29% 358 MB/s Faster peak deep queue read.
+29%
DQ Write
Peak 4K-64Thread Write Speed
311 MB/s Much faster peak deep queue write.
+31%
238 MB/s -31%
AS-SSD Total
AS-SSD Total Score
1,008 Pts -4% 1,049 Pts +4%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
72.4 MB/s -15% 83.6 MB/s Faster peak deep queue mixed IO.
+15%
ADQ Read
Avg. 4K-64Thread Read Speed
157 MB/s -27% 199 MB/s Faster deep queue read.
+27%
ADQ Write
Avg. 4K-64Thread Write Speed
203 MB/s Much faster deep queue write.
+30%
156 MB/s -30%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
46.8 MB/s -8% 50.6 MB/s Slightly faster deep queue mixed IO.
+8%
Capacity
Capacity
250GB 250GB
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The 250GB Crucial BX100 SSD is the value orientated variant of Crucial's M range of SSDs. The BX100 uses the same NAND as its premium MX200 sibling but the BX100 uses a Silicon Motion controller as opposed to the Marvel controller found in the MX range. Feature wise the BX100 is missing SLC caching and there is no hardware encryption (so security frameworks such as windows Bitlocker will operate less efficiently). In terms of I/O performance the BX100 looks promising. Comparing the BX100 and MX100 shows that the newer BX100 may be faster than its predecessor but as yet there are insufficient user benchmarks to draw any definitive conclusions. The BX100 has only just started hitting the shelves so there's plenty of room for price reductions from its already reasonable price tag. I will revisit this review when I have more performance data for the BX100. [Jan '15 SSDrivePro]

MORE DETAILS

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

Solid State Drive Rankings (Price vs Performance) January 2018 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

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CPUGPUSSD
Intel Core i7-7700K $280Nvidia GTX 1070 $430Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $290Nvidia GTX 1060-6GB $275Samsung 850 Evo 500GB $140
Intel Core i5-7600K $210AMD RX 480 $400Samsung 850 Pro 256GB $110
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $205SanDisk Extreme 64GB $65
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $51Corsair Vengeance LPX DDR4 3200 C16 2x8GB $220SanDisk Ultra Fit 32GB $12
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