SSDBoss Review Our evaluation of Q vs 520

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

Front view of Toshiba Q

Reasons to consider the
Toshiba Q

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Significantly faster 4k random read 317.85 MB/s vs 88.59 MB/s More than 3.5x faster 4k random read
Higher capacity 512 GB vs 240 GB Around 2.2x higher capacity
Faster 4k random write 129.34 MB/s vs 81.39 MB/s Around 60% faster 4k random write
Significantly faster windows 7 boot-up time 7.8 s vs 11.3 s More than 30% faster windows 7 boot-up time
Much lower 4k random read access time 0.79 ms vs 2.82 ms 3.6x lower 4k random read access time
Lighter 55 g vs 78 g Around 30% lighter
Higher AS SSD score 969 pts vs 742 pts More than 30% higher AS SSD score
Lower 4k random write access time 1.93 ms vs 3.08 ms More than 35% lower 4k random write access time
Faster AS SSD ISO copy 414.06 MB/s vs 262.98 MB/s More than 55% faster AS SSD ISO copy
Higher MTBF 1,500,000 hours vs 1,200,000 hours 25% higher MTBF
Lower avg. power consumption 2.46 Watts vs 2.66 Watts Around 10% lower avg. power consumption
Front view of Intel 520

Reasons to consider the
Intel 520

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Slightly faster photoshop lens filter 55.9 s vs 56.7 s Almost the same

Benchmarks Real world tests of Toshiba Q vs Intel 520

4K Random Read

Toshiba Q
317.85 MB/s
Intel 520
88.59 MB/s

4K Random Write

Toshiba Q
129.34 MB/s
Intel 520
81.39 MB/s

Windows 7 Boot-up Time

Toshiba Q
7.8 s
Intel 520
11.3 s

Avg. Power Consumption

Toshiba Q
2.46 Watts
Intel 520
2.66 Watts

4K Random Read Access Time

Toshiba Q
1.93 ms
Intel 520
3.08 ms

4K Random Write Access Time

Toshiba Q
0.79 ms
Intel 520
2.82 ms

Reviews Word on the street

Toshiba vs Intel 520 

8.0
7.6
Normally we'd give an SSD the nod for that alone, but the tight grouping of all the drives in those benchmarks makes it clear that SSD performance has now gotten the better of those parts of our test suite.
Toshiba Q

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