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Corsair CM2X2048-6400C5 2GB
Corsair CM4X4GF2666C16K4 4GB
Compare
Corsair CM2X2048-6400C5 2GB vs Corsair CM4X4GF2666C16K4 4GB
Overall score
Corsair CM2X2048-6400C5 2GB
Overall score
Corsair CM4X4GF2666C16K4 4GB
Differences
Specifications
Comments
Differences
Reasons to consider
Corsair CM2X2048-6400C5 2GB
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Faster reading speed, GB/s
5
15.3
Average value in the tests
Faster write speed, GB/s
2,549.9
10.7
Average value in the tests
Reasons to consider
Corsair CM4X4GF2666C16K4 4GB
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Below the latency in the PassMark tests, ns
34
53
Around -56% lower latency
Higher memory bandwidth, mbps
17000
6400
Around 2.66 higher bandwidth
Specifications
Complete list of technical specifications
Corsair CM2X2048-6400C5 2GB
Corsair CM4X4GF2666C16K4 4GB
Main characteristics
Memory type
DDR2
DDR4
Latency in PassMark, ns
53
34
Read speed, GB/s
5,481.3
15.3
Write speed, GB/s
2,549.9
10.7
Memory bandwidth, mbps
6400
17000
Other
Description
PC2-6400, SSTL 1.8V, CAS Supported: 4 5
PC4-17000, 1.2V, CAS Supported: 9 10 11 12 13 14 15 16
Timings / Clock speed
5-5-5-15 / 800 MHz
14-14-14, 15-15-15, 16-16-16 / 2133 MHz
Ranking PassMark (The more the better)
1026
2796
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RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
CAS Latency (CL) *
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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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