CrucialCT250BX100SSD1
CrucialCT256MX100SSD1
$116

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

 $116 

Controller: Marvell 88SS9189. Flash Memory: Micron 16nm MLC.

Real World Speed
Performance profile from 28,966 user samples
10,744 User Benchmarks
Best Bench: 100% 52GB free
Worst Bench: 63% 142GB free
Poor: 63% Great: 100%
SPEED RANK: 141st / 885
18,222 User Benchmarks
Best Bench: 95% 156GB free
Worst Bench: 60% 20GB free
Poor: 60% Great: 95%
SPEED RANK: 210th / 885
Effective Speed
Effective SSD Speed
85.4 % Slightly faster effective speed.
+6%
80.5 %
Read
Avg. Sequential Read Speed
500 MB/s +1% 495 MB/s
Write
Avg. Sequential Write Speed
355 MB/s Slightly faster write speed.
+11%
321 MB/s
4K Read
Avg. 4K Random Read Speed
25.2 MB/s 25.3 MB/s +0%
4K Write
Avg. 4K Random Write Speed
79.7 MB/s 82.1 MB/s +3%
Mixed
Avg. Sequential Mixed IO Speed
412 MB/s Slightly faster mixed IO speed.
+11%
370 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
28 MB/s Slightly faster random mixed IO.
+14%
24.6 MB/s
Read
Peak Sequential Read Speed
524 MB/s +0% 522 MB/s
Write
Peak Sequential Write Speed
370 MB/s Slightly faster peak write speed.
+11%
332 MB/s
4K Read
Peak 4K Random Read Speed
30.7 MB/s 30.8 MB/s +0%
4K Write
Peak 4K Random Write Speed
109 MB/s 118 MB/s Slightly faster peak random write.
+8%
Mixed
Peak Sequential Mixed IO Speed
431 MB/s Slightly faster peak mixed IO speed.
+9%
396 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
37.8 MB/s Slightly faster peak random mixed IO.
+12%
33.8 MB/s
Market Share
Based on 5,630,997 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.3 % Slightly higher market share.
+11%
0.27 %
Value
Value For Money
53.2 % 70.4 % Much better value.
+32%
User Rating
UBM User Rating
62 % 64 % +3%
Price
Price (score)
$178 $116 Much cheaper.
+35%
Age
Newest
37 Months More recent.
+16%
44 Months
DQ Read
Peak 4K-64Thread Read Speed
277 MB/s Much faster peak deep queue read.
+37%
202 MB/s
DQ Write
Peak 4K-64Thread Write Speed
310 MB/s +3% 302 MB/s
AS-SSD Total
AS-SSD Total Score
1,004 Pts Slightly stronger server IO.
+13%
887 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
72.3 MB/s Much faster peak deep queue mixed IO.
+36%
53.1 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
168 MB/s Much faster deep queue read.
+37%
123 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
215 MB/s Slightly faster deep queue write.
+9%
198 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
49.6 MB/s Much faster deep queue mixed IO.
+37%
36.1 MB/s
Capacity
Capacity
250GB 256GB
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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 Crucial MX100 is the first 16nm SSD to date. Aside from NAND, the MX100 shares the same hardware as its more expensive sibling, the M550. Comparing the MX100 and M550 shows that the two drives have similar read speeds but that the MX100 lags by nearly 50% at writing. The newer 16nm NAND reduces costs and accordingly the MX100 is the cheapest SSD (per GB) to date. In terms of performance the MX100 is a compromise which may or may not be worth making depending on individual circumstances. For typical desktop use including email, office documents and web browsing the MX100 is a great choice but power users should look elsewhere. Comparing the 250GB 840 EVO and 256GB MX100 shows that for a marginal premium, the Evo offers better write speeds. (Note: at 500GB they are more evenly matched) [Jun '14 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) February 2018 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 - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.
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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AMD Ryzen 5 1600 $170AMD RX 480 $400Samsung 850 Pro 256GB $146
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