SSDBoss Review Our evaluation of 840 EVO vs HyperX 3K

read performance

How quickly data is read from the drive

840 EVO
6.6
HyperX 3K
5.9
4K Random Read, 4K Random Read Access Time and 512K Sequential Read

write performance

How quickly data is written to the drive

840 EVO
6.9
HyperX 3K
6.9
4K Random Write, 4K Random Write Access Time and 512K Sequential Write

real world benchmarks

How well the drive performs common tasks

840 EVO
7.9
HyperX 3K
7.8
Windows 7 Boot-up Time, Photoshop Lens Filter and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

840 EVO
6.7
HyperX 3K
6.4
PCMark Vantage and AS SSD Score

No winner declared

Too close to call

Differences What are the advantages of each

Sibling view of Samsung 840 EVO

Reasons to consider the
Samsung 840 EVO

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Much larger cache 1,000 MB vs 0 MB Compared to all SSDs, 1,000 MB cache is just OK
Significantly higher capacity 1,000 GB vs 480 GB More than 2x higher capacity
Significantly faster 4k random read 318.8 MB/s vs 128.52 MB/s Around 2.5x faster 4k random read
Lighter 53 g vs 97 g More than 45% lighter
Much faster random write 90,000 IOPS vs 32,000 IOPS More than 2.8x faster random write
Higher AS SSD score 1,198 pts vs 758 pts Around 60% higher AS SSD score
Significantly lower 4k random read access time 0.78 ms vs 1.94 ms 2.5x lower 4k random read access time
Higher MTBF 1,500,000 hours vs 1,000,000 hours 50% higher MTBF
Thinner thickness 7 mm vs 10 mm More than 25% thinner thickness
Faster sequential write 520 MB/s vs 450 MB/s More than 15% faster sequential write
Front view of Kingston HyperX 3K

Reasons to consider the
Kingston HyperX 3K

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Slightly faster power consumption (Idle) 0.46 Watts vs 0.04 Watts More than 10x faster power consumption (Idle)

Benchmarks Real world tests of 840 EVO vs HyperX 3K

4K Random Read

840 EVO
318.8 MB/s
HyperX 3K
128.52 MB/s

4K Random Write

840 EVO
106.65 MB/s
HyperX 3K
109.63 MB/s

Windows 7 Boot-up Time

840 EVO
9.3 s
HyperX 3K
9.7 s

Avg. Power Consumption

840 EVO
2.29 Watts
HyperX 3K
2.99 Watts

4K Random Read Access Time

840 EVO
2.34 ms
HyperX 3K
2.28 ms

4K Random Write Access Time

840 EVO
0.78 ms
HyperX 3K
1.94 ms

Reviews Word on the street

840 EVO  vs HyperX 3K 

9.0
8.0
The RAPID mode is designed specifically to help boost random performance and uses spare CPU power and system memory capacity (up to 1GB) to act as another layer of cache.
840 EVO

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