SSDBoss Review Our evaluation of Q300 Pro vs 840 Pro

read performance

How quickly data is read from the drive

Q300 Pro
6.7
840 Pro
6.6
4K Random Read, 4K Random Read Access Time and 512K Sequential Read

write performance

How quickly data is written to the drive

Q300 Pro
6.7
840 Pro
7.0
4K Random Write, 4K Random Write Access Time and 512K Sequential Write

real world benchmarks

How well the drive performs common tasks

Q300 Pro
8.2
840 Pro
8.0
Photoshop Lens Filter and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

Q300 Pro
6.8
840 Pro
6.7
PCMark Vantage and AS SSD Score

No winner declared

Too close to call

Differences What are the advantages of each

Default view of Toshiba Q300 Pro

Reasons to consider the
Toshiba Q300 Pro

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Higher PCMark vantage score 30,229 pts vs 25,929 pts More than 15% higher PCMark vantage score
Faster photoshop lens filter 53.6 s vs 56.1 s Around 5% faster photoshop lens filter
Slightly faster AS SSD ISO copy 496.99 MB/s vs 429.47 MB/s More than 15% faster AS SSD ISO copy
Front view of Samsung 840 Pro

Reasons to consider the
Samsung 840 Pro

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Significantly higher capacity 512 GB vs 128 GB 4x higher capacity
Faster 4k random write 130.58 MB/s vs 90.61 MB/s Around 45% faster 4k random write
Lower 4k random write access time 1.91 ms vs 2.76 ms More than 30% lower 4k random write access time
Lower avg. power consumption 2 Watts vs 2.23 Watts More than 10% lower avg. power consumption

Benchmarks Real world tests of Q300 Pro vs 840 Pro

4K Random Read

Q300 Pro
341.42 MB/s
840 Pro
311.34 MB/s

4K Random Write

Q300 Pro
90.61 MB/s
840 Pro
130.58 MB/s

Avg. Power Consumption

Q300 Pro
2.23 Watts
840 Pro
2 Watts

4K Random Read Access Time

Q300 Pro
2.76 ms
840 Pro
1.91 ms

4K Random Write Access Time

Q300 Pro
0.73 ms
840 Pro
0.8 ms

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