SSDBoss Review Our evaluation of 840 EVO vs M550

read performance

How quickly data is read from the drive

4K Random Read, 4K Random Read Access Time and 512K Sequential Read

write performance

How quickly data is written to the drive

4K Random Write, 4K Random Write Access Time and 512K Sequential Write

real world benchmarks

How well the drive performs common tasks

Windows 7 Boot-up Time, Photoshop Lens Filter and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

PCMark Vantage and AS SSD Score

No winner declared

Too close to call

Differences What are the advantages of each

Sibling view of Samsung 840 EVO

Reasons to consider the
Samsung 840 EVO

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Much higher capacity 1,000 GB vs 64 GB Around 15.8x higher capacity
Significantly faster 4k random read 318.8 MB/s vs 162.18 MB/s More than 95% faster 4k random read
Faster 4k random write 106.65 MB/s vs 73.78 MB/s Around 45% faster 4k random write
Significantly higher PCMark vantage score 25,582 pts vs 19,156 pts Around 35% higher PCMark vantage score
Lower 4k random read access time 0.78 ms vs 1.54 ms Around 50% lower 4k random read access time
Lower 4k random write access time 2.34 ms vs 3.39 ms More than 30% lower 4k random write access time
Default view of Crucial M550

Reasons to consider the
Crucial M550

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Faster windows 7 boot-up time 7.9 s vs 9.3 s More than 15% faster windows 7 boot-up time

Benchmarks Real world tests of 840 EVO vs Crucial M550

4K Random Read

840 EVO
318.8 MB/s
Crucial M550
162.18 MB/s

4K Random Write

840 EVO
106.65 MB/s
Crucial M550
73.78 MB/s

Windows 7 Boot-up Time

840 EVO
9.3 s
Crucial M550
7.9 s

Avg. Power Consumption

840 EVO
2.29 Watts
Crucial M550
2.35 Watts

4K Random Read Access Time

840 EVO
2.34 ms
Crucial M550
3.39 ms

4K Random Write Access Time

840 EVO
0.78 ms
Crucial M550
1.54 ms

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