SSDBoss Review Our evaluation of 840 Pro vs MX100

read performance

How quickly data is read from the drive

840 Pro
6.6
MX100
6.0
4K Random Read, 4K Random Read Access Time and 512K Sequential Read

write performance

How quickly data is written to the drive

840 Pro
7.0
MX100
6.5
4K Random Write, 4K Random Write Access Time and 512K Sequential Write

real world benchmarks

How well the drive performs common tasks

840 Pro
8.1
MX100
7.4
Windows 7 Boot-up Time, Photoshop Lens Filter and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

840 Pro
6.7
MX100
6.3
PCMark Vantage and AS SSD Score

No winner declared

Too close to call

Differences What are the advantages of each

Front view of Samsung 840 Pro

Reasons to consider the
Samsung 840 Pro

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Much faster windows 7 boot-up time 7.8 s vs 14 s Around 45% faster windows 7 boot-up time
Faster 4k random write 130.58 MB/s vs 72.86 MB/s Around 80% faster 4k random write
Faster 4k random read 311.34 MB/s vs 175.64 MB/s More than 75% faster 4k random read
Significantly higher PCMark vantage score 25,929 pts vs 16,976 pts Around 55% higher PCMark vantage score
Significantly faster photoshop lens filter 56.1 s vs 64.2 s Around 15% faster photoshop lens filter
Slightly faster 512K sequential read 533.44 MB/s vs 450.03 MB/s Around 20% faster 512K sequential read
Lower 4k random write access time 1.91 ms vs 3.43 ms Around 45% lower 4k random write access time
Lower 4k random read access time 0.8 ms vs 1.42 ms Around 45% lower 4k random read access time
Lower avg. power consumption 2 Watts vs 2.31 Watts Around 15% lower avg. power consumption
Slightly lighter 53 g vs 63 g More than 15% lighter
Front view of Crucial MX100

Reasons to consider the
Crucial MX100

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Significantly larger cache 512 MB vs 256 MB 2x larger cache
More capacity per dollar 2.38 GB/$ vs 1.83 GB/$ More than 30% more capacity per dollar

Benchmarks Real world tests of 840 Pro vs MX100

4K Random Read

840 Pro
311.34 MB/s
MX100
175.64 MB/s

4K Random Write

840 Pro
130.58 MB/s
MX100
72.86 MB/s

Windows 7 Boot-up Time

840 Pro
7.8 s
MX100
14 s

Avg. Power Consumption

840 Pro
2 Watts
MX100
2.31 Watts

4K Random Read Access Time

840 Pro
1.91 ms
MX100
3.43 ms

4K Random Write Access Time

840 Pro
0.8 ms
MX100
1.42 ms

Reviews Word on the street

840 Pro  vs MX100 

9.2
9.8
The SSD controller is the same as on the Crucial M550, paired with a full set of 16 flash chips for maximum bandwidth.
MX100

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