SSDBoss Review Our evaluation of 840 vs 830

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

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

SSDBoss Score

read performance, write performance, real world benchmarks and Benchmarks

Winner
Samsung 840 

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

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Differences What are the advantages of each

Front view of Samsung 840

Reasons to consider the
Samsung 840

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Higher capacity 250 GB vs 64 GB Around 4x higher capacity
Faster 4k random read 303.68 MB/s vs 225.52 MB/s Around 35% faster 4k random read
Faster windows 7 boot-up time 9.3 s vs 10.5 s More than 10% faster windows 7 boot-up time
Significantly faster random write 70,000 IOPS vs 16,000 IOPS Around 4.5x faster random write
Significantly lower 4k random write access time 3.29 ms vs 5.56 ms More than 40% lower 4k random write access time
Higher AS SSD score 1,010 pts vs 641 pts Around 60% higher AS SSD score
Lower avg. power consumption 1.69 Watts vs 2.19 Watts Around 25% lower avg. power consumption
Faster sequential write 330 MB/s vs 160 MB/s More than 2x faster sequential write
More capacity per dollar 1.84 GB/$ vs 0.8 GB/$ More than 2.2x more capacity per dollar
Lower 4k random read access time 0.82 ms vs 1.11 ms More than 25% lower 4k random read access time
Front view of Samsung 830

Reasons to consider the
Samsung 830

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Much faster tom's storage bench application 900 pts vs 469 pts More than 90% faster tom's storage bench application
Higher passmark rating 3,100 pts vs 2,563 pts More than 20% higher passmark rating

Benchmarks Real world tests of Samsung 840 vs 830

4K Random Read

Samsung 840
303.68 MB/s
Samsung 830
225.52 MB/s

4K Random Write

Samsung 840
76.07 MB/s
Samsung 830
44.96 MB/s

Windows 7 Boot-up Time

Samsung 840
9.3 s
Samsung 830
10.5 s

Avg. Power Consumption

Samsung 840
1.69 Watts
Samsung 830
2.19 Watts

4K Random Read Access Time

Samsung 840
3.29 ms
Samsung 830
5.56 ms

4K Random Write Access Time

Samsung 840
0.82 ms
Samsung 830
1.11 ms

Reviews Word on the street

Samsung 840  vs 830 

8.0
8.5
Of course, what really matters with any drive is performance, and Samsung makes towering claims on that front: maximum sequential reads of 520MBps, sequential writes of 320MBps, 4KB random reads of up to 80,000 IOPS, and 4KB random writes of up to 30,000 IOPS.
Samsung 830

9.0
9.5
We used the performance data from all our benchmarks to condense the results into a single relative performance score.
Samsung 830

7.0
8.5
Controller speed has been improved, and the SATA interface upgraded to the 6GB/s SATA 3.0.
Samsung 830

Overall

8.3 Out of 10
9.0 Out of 10

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