SSDBoss Review Our evaluation of Q Pro vs 840 EVO

read performance

How quickly data is read from the drive

Q Pro
6.3
840 EVO
6.6
4K Random Read, 4K Random Read Access Time and 512K Sequential Read

write performance

How quickly data is written to the drive

Q Pro
6.7
840 EVO
6.9
4K Random Write, 4K Random Write Access Time and 512K Sequential Write

real world benchmarks

How well the drive performs common tasks

Q Pro
8.2
840 EVO
7.9
Windows 7 Boot-up Time, Photoshop Lens Filter and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

Q Pro
6.6
840 EVO
6.7
PCMark Vantage and AS SSD Score

No winner declared

Too close to call

Differences What are the advantages of each

Front view of Toshiba Q Pro

Reasons to consider the
Toshiba Q Pro

Report a correction
Faster windows 7 boot-up time 7.6 s vs 9.3 s Around 20% faster windows 7 boot-up time
Sibling view of Samsung 840 EVO

Reasons to consider the
Samsung 840 EVO

Report a correction
Much higher capacity 1,000 GB vs 128 GB More than 7.8x higher capacity
Much larger cache 1,000 MB vs 0 MB Compared to all SSDs, 1,000 MB cache is just OK
Faster 4k random read 318.8 MB/s vs 228.53 MB/s Around 40% faster 4k random read
Faster 4k random write 106.65 MB/s vs 90.19 MB/s Around 20% faster 4k random write
Higher AS SSD score 1,198 pts vs 950 pts More than 25% higher AS SSD score
Lower 4k random read access time 0.78 ms vs 1.09 ms Around 30% lower 4k random read access time
Slightly lower 4k random write access time 2.34 ms vs 2.77 ms More than 15% lower 4k random write access time

Benchmarks Real world tests of Q Pro vs 840 EVO

4K Random Read

Q Pro
228.53 MB/s
840 EVO
318.8 MB/s

4K Random Write

Q Pro
90.19 MB/s
840 EVO
106.65 MB/s

Windows 7 Boot-up Time

Q Pro
7.6 s
840 EVO
9.3 s

Avg. Power Consumption

Q Pro
2.31 Watts
840 EVO
2.29 Watts

4K Random Read Access Time

Q Pro
2.77 ms
840 EVO
2.34 ms

4K Random Write Access Time

Q Pro
1.09 ms
840 EVO
0.78 ms

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