SSDBoss Review Our evaluation of Ultra Plus SSD vs 840

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, AS SSD Score and Tom's Hardware Storage Bench

SSDBoss Score

read performance, write performance, real world benchmarks and Benchmarks

Winner
Samsung 840 

SSDBoss recommends the Samsung 840  based on its read performance and real world benchmarks.

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Differences What are the advantages of each

Front view of SanDisk Ultra Plus SSD

Reasons to consider the
SanDisk Ultra Plus SSD

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Faster 512K sequential write 441.34 MB/s vs 248.62 MB/s Around 80% faster 512K sequential write
Faster tom's storage bench application 589 pts vs 469 pts More than 25% faster tom's storage bench application
Higher MTBF 2,000,000 hours vs 1,500,000 hours Around 35% higher MTBF
Lighter 36 g vs 53 g More than 30% lighter
More capacity per dollar 2.7 GB/$ vs 1.84 GB/$ More than 45% more capacity per dollar
Faster AS SSD ISO copy 344.86 MB/s vs 188.99 MB/s More than 80% faster AS SSD ISO copy
Front view of Samsung 840

Reasons to consider the
Samsung 840

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Significantly faster 4k random read 303.68 MB/s vs 140.33 MB/s Around 2.2x faster 4k random read
Much faster windows 7 boot-up time 9.3 s vs 14.1 s Around 35% faster windows 7 boot-up time
Larger cache 256 MB vs 128 MB 2x larger cache
Significantly faster photoshop lens filter 56.1 s vs 63.5 s More than 10% faster photoshop lens filter
Faster 512K sequential read 533.21 MB/s vs 423 MB/s More than 25% faster 512K sequential read
Lower 4k random read access time 0.82 ms vs 1.78 ms 2.2x lower 4k random read access time
Faster random write 70,000 IOPS vs 39,000 IOPS Around 80% faster random write
Higher PCMark vantage score 23,328 pts vs 20,508 pts Around 15% higher PCMark vantage score
Lower 4k random write access time 3.29 ms vs 3.88 ms More than 15% lower 4k random write access time

Benchmarks Real world tests of Ultra Plus SSD vs Samsung 840

4K Random Read

Ultra Plus SSD
140.33 MB/s
Samsung 840
303.68 MB/s

4K Random Write

Ultra Plus SSD
64.4 MB/s
Samsung 840
76.07 MB/s

Windows 7 Boot-up Time

Avg. Power Consumption

Ultra Plus SSD
1.74 Watts
Samsung 840
1.69 Watts

4K Random Read Access Time

Ultra Plus SSD
3.88 ms
Samsung 840
3.29 ms

4K Random Write Access Time

Ultra Plus SSD
1.78 ms
Samsung 840
0.82 ms

Reviews Word on the street

Ultra Plus SSD  vs Samsung 840 

9.0
7.0
That's slow in comparison with some of the OCZ and Corsair drives we've seen recently, but quicker than the non-Pro version of Samsung's 840 series drive.
Ultra Plus SSD

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