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Corsair CM2X2048-6400C5 2GB
SK Hynix HMA851S6DJR6N-VK 4GB
Compare
Corsair CM2X2048-6400C5 2GB vs SK Hynix HMA851S6DJR6N-VK 4GB
Overall score
Corsair CM2X2048-6400C5 2GB
Overall score
SK Hynix HMA851S6DJR6N-VK 4GB
Differences
Specifications
Comments
Differences
Reasons to consider
Corsair CM2X2048-6400C5 2GB
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Faster reading speed, GB/s
5
15
Average value in the tests
Faster write speed, GB/s
2,549.9
11.2
Average value in the tests
Reasons to consider
SK Hynix HMA851S6DJR6N-VK 4GB
Report a bug
Below the latency in the PassMark tests, ns
40
53
Around -33% lower latency
Higher memory bandwidth, mbps
21300
6400
Around 3.33 higher bandwidth
Specifications
Complete list of technical specifications
Corsair CM2X2048-6400C5 2GB
SK Hynix HMA851S6DJR6N-VK 4GB
Main characteristics
Memory type
DDR2
DDR4
Latency in PassMark, ns
53
40
Read speed, GB/s
5,481.3
15.0
Write speed, GB/s
2,549.9
11.2
Memory bandwidth, mbps
6400
21300
Other
Description
PC2-6400, SSTL 1.8V, CAS Supported: 4 5
PC4-21300, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18 19 20
Timings / Clock speed
5-5-5-15 / 800 MHz
17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
Ranking PassMark (The more the better)
1026
2100
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RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
CAS Latency (CL) *
Frequency (Mhz) *
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Absolute Latency
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RAM 2
CAS Latency (CL) *
Frequency (Mhz) *
calculate
Absolute Latency
0 ns
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