SSDBoss Review Our evaluation of 840 vs SSDNow V300

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


How well the drive performs on common benchmarks

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

No winner declared

Too close to call

Differences What are the advantages of each

Front view of Samsung 840

Reasons to consider the
Samsung 840

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Much faster 4k random read 303.68 MB/s vs 38.7 MB/s More than 7.8x faster 4k random read
Much lower 4k random read access time 0.82 ms vs 6.46 ms 7.9x lower 4k random read access time
Higher capacity 250 GB vs 60 GB Around 4.2x higher capacity
Significantly larger cache 256 MB vs 0 MB Compared to all SSDs, 256 MB cache is just OK
Faster 512K sequential read 533.21 MB/s vs 235.27 MB/s More than 2.2x faster 512K sequential read
Much lower 4k random write access time 3.29 ms vs 7.51 ms 2.3x lower 4k random write access time
Significantly higher AS SSD score 1,010 pts vs 306 pts More than 3.2x higher AS SSD score
Lighter 53 g vs 77 g More than 30% lighter
Higher MTBF 1,500,000 hours vs 1,000,000 hours 50% higher MTBF
Faster tom's storage bench application 469 pts vs 412 pts Around 15% faster tom's storage bench application
More capacity per dollar 1.84 GB/$ vs 1.41 GB/$ More than 30% more capacity per dollar
Faster random write 70,000 IOPS vs 60,000 IOPS More than 15% faster random write
Faster AS SSD ISO copy 188.99 MB/s vs 113.54 MB/s More than 65% faster AS SSD ISO copy
Slightly lower avg. power consumption 1.69 Watts vs 1.81 Watts More than 5% lower avg. power consumption
Front view of Kingston SSDNow V300

Reasons to consider the
Kingston SSDNow V300

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Significantly faster 512K sequential write 468.69 MB/s vs 248.62 MB/s Around 90% faster 512K sequential write
Significantly higher passmark rating 4,531 pts vs 2,563 pts More than 75% higher passmark rating
Faster windows 7 boot-up time 8.3 s vs 9.3 s More than 10% faster windows 7 boot-up time

Benchmarks Real world tests of Samsung 840 vs SSDNow V300

4K Random Read

Samsung 840
303.68 MB/s
SSDNow V300
38.7 MB/s

4K Random Write

Samsung 840
76.07 MB/s
SSDNow V300
33.3 MB/s

Windows 7 Boot-up Time

Samsung 840
9.3 s
SSDNow V300
8.3 s

Avg. Power Consumption

Samsung 840
1.69 Watts
SSDNow V300
1.81 Watts

4K Random Read Access Time

Samsung 840
3.29 ms
SSDNow V300
7.51 ms

4K Random Write Access Time

Samsung 840
0.82 ms
SSDNow V300
6.46 ms

Reviews Word on the street

Samsung 840  vs SSDNow V300 

New dense NAND isn't quite as fast as established technology.
Samsung 840

With all that said though, prices of the quicker drives are dropping, so you could bide your time.
SSDNow V300


8.3 Out of 10
8.3 Out of 10


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