SSDBoss Review Our evaluation of 520 vs 330

read performance

How quickly data is read from the drive

4K Random Read

write performance

How quickly data is written to the drive

4K Random Write

real world benchmarks

How well the drive performs common tasks

Windows 7 Boot-up Time and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

Passmark Disk Rating, PCMark Vantage, AS SSD Score and 1 more

SSDBoss Score

read performance, write performance, real world benchmarks and Benchmarks

Winner
Intel 520 

SSDBoss recommends the Intel 520  based on its .

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Differences What are the advantages of each

Front view of Intel 520

Reasons to consider the
Intel 520

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Significantly faster 4k random write 81.39 MB/s vs 17.45 MB/s Around 4.8x faster 4k random write
Much faster windows 7 boot-up time 11.3 s vs 16 s Around 30% faster windows 7 boot-up time
Slightly higher capacity 240 GB vs 180 GB Around 35% higher capacity
Significantly more capacity per dollar 1.92 GB/$ vs 0.95 GB/$ More than 2x more capacity per dollar
Faster tom's storage bench application 629 pts vs 524 pts More than 20% faster tom's storage bench application
Faster AS SSD ISO copy 262.98 MB/s vs 146.23 MB/s Around 80% faster AS SSD ISO copy
Higher passmark rating 3,909 pts vs 3,408 pts Around 15% higher passmark rating
Higher AS SSD score 742 pts vs 665 pts More than 10% higher AS SSD score
Faster sequential write 520 MB/s vs 450 MB/s More than 15% faster sequential write
Faster sequential read 550 MB/s vs 500 MB/s 10% faster sequential read
Faster random read 50,000 IOPS vs 42,000 IOPS Around 20% faster random read
Front view of Intel 330

Reasons to consider the
Intel 330

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Much higher PCMark vantage score 65,878 pts vs 25,952 pts More than 2.5x higher PCMark vantage score
Much lower avg. power consumption 1.2 Watts vs 2.66 Watts 2.2x lower avg. power consumption

Benchmarks Real world tests of Intel 520 vs 330

4K Random Read

Intel 520
88.59 MB/s
Intel 330
134.93 MB/s
Intel says it's put a lot of work into tuning the SandForce SF-2281 controller to improve performance and reliability.
Intel 520 | by Tech Radar (Feb, 2012)

4K Random Write

Intel 520
81.39 MB/s
Intel 330
17.45 MB/s
What Intel hasn't done, however, is deliver a drive that immediately takes down the opposition in terms of raw performance.
Intel 520 | by Tech Radar (Feb, 2012)

Windows 7 Boot-up Time

Intel 520
11.3 s
Intel 330
16 s
Thanks to the use of aggressive compression technology, impressive headline data transfer rates can sometimes translate into slightly pedestrian real-world performance.
Intel 520 | by Tech Radar (Feb, 2012)

Avg. Power Consumption

Intel 520
2.66 Watts
Intel 330
1.2 Watts
What you don't get with a 2TB magnetic lump, of course, is SSD performance, physical robustness or low power consumption.
Intel 520 | by Tech Radar (Jun, 2012)

Reviews Word on the street

Intel 520  vs 330 

7.6
7.0
When you consider that smaller drives fail faster in such conditions, well, it's pretty impressive.
Intel 520

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