SSDBoss Review Our evaluation of 840 Pro vs IBIS HSDL

read performance

How quickly data is read from the drive

840 Pro
6.6
IBIS HSDL
6.5
4K Random Read, 4K Random Read Access Time and 512K Sequential Read

write performance

How quickly data is written to the drive

840 Pro
7.0
IBIS HSDL
7.7
4K Random Write, 4K Random Write Access Time and 512K Sequential Write

real world benchmarks

How well the drive performs common tasks

840 Pro
8.1
IBIS HSDL
7.2
Windows 7 Boot-up Time, Photoshop Lens Filter and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

840 Pro
6.7
IBIS HSDL
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 Samsung 840 Pro

Reasons to consider the
Samsung 840 Pro

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Much faster windows 7 boot-up time 7.8 s vs 16.6 s 2.1x faster windows 7 boot-up time
Much lighter 53 g vs 339 g 6.4x lighter
Much lower avg. power consumption 2 Watts vs 7.84 Watts 3.9x lower avg. power consumption
Higher capacity 512 GB vs 160 GB Around 3.2x higher capacity
Significantly larger cache 256 MB vs 0 MB Compared to all SSDs, 256 MB cache is just OK
Much faster photoshop lens filter 56.1 s vs 74 s Around 25% faster photoshop lens filter
Faster 4k random read 311.34 MB/s vs 257.14 MB/s More than 20% faster 4k random read
Much thinner thickness 7 mm vs 25 mm 3.6x thinner thickness
Higher PCMark vantage score 25,929 pts vs 23,141 pts More than 10% higher PCMark vantage score
Default view of OCZ IBIS HSDL

Reasons to consider the
OCZ IBIS HSDL

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Significantly faster 4k random write 218.13 MB/s vs 130.58 MB/s More than 65% faster 4k random write
Faster 512K sequential read 710.98 MB/s vs 533.44 MB/s Around 35% faster 512K sequential read
Higher MTBF 2,000,000 hours vs 1,500,000 hours Around 35% higher MTBF
Faster sequential write 690 MB/s vs 520 MB/s Around 35% faster sequential write
Lower 4k random write access time 1.15 ms vs 1.91 ms Around 40% lower 4k random write access time
Faster AS SSD ISO copy 532.98 MB/s vs 429.47 MB/s Around 25% faster AS SSD ISO copy

Benchmarks Real world tests of 840 Pro vs IBIS HSDL

4K Random Read

840 Pro
311.34 MB/s
IBIS HSDL
257.14 MB/s

4K Random Write

840 Pro
130.58 MB/s
IBIS HSDL
218.13 MB/s

Windows 7 Boot-up Time

840 Pro
7.8 s
IBIS HSDL
16.6 s

Avg. Power Consumption

840 Pro
2 Watts
IBIS HSDL
7.84 Watts

4K Random Read Access Time

840 Pro
1.91 ms
IBIS HSDL
1.15 ms

4K Random Write Access Time

840 Pro
0.8 ms
IBIS HSDL
0.97 ms

Reviews Word on the street

840 Pro  vs IBIS HSDL 

8.0
8.0
So the big difference in terms of performance you can likely trace to the flash memory in each drive.
840 Pro

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