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Corsair CM2X2048-6400C5 2GB
Corsair CM4B8G1J2400A16K2-O 8GB

Corsair CM2X2048-6400C5 2GB vs Corsair CM4B8G1J2400A16K2-O 8GB

Overall score
star star star star star
Corsair CM2X2048-6400C5 2GB

Corsair CM2X2048-6400C5 2GB

Overall score
star star star star star
Corsair CM4B8G1J2400A16K2-O 8GB

Corsair CM4B8G1J2400A16K2-O 8GB

Differences Specifications Comments

Differences

Corsair CM2X2048-6400C5 2GB Reasons to consider
Corsair CM2X2048-6400C5 2GB
Report a bug
  • Faster reading speed, GB/s
    5 left arrow 17.8
    Average value in the tests
  • Faster write speed, GB/s
    2,549.9 left arrow 12.7
    Average value in the tests
Corsair CM4B8G1J2400A16K2-O 8GB Reasons to consider
Corsair CM4B8G1J2400A16K2-O 8GB
Report a bug
  • Below the latency in the PassMark tests, ns
    27 left arrow 53
    Around -96% lower latency
  • Higher memory bandwidth, mbps
    19200 left arrow 6400
    Around 3 higher bandwidth

Specifications

Complete list of technical specifications
Corsair CM2X2048-6400C5 2GB
Corsair CM4B8G1J2400A16K2-O 8GB
Main characteristics
  • Memory type
    DDR2 left arrow DDR4
  • Latency in PassMark, ns
    53 left arrow 27
  • Read speed, GB/s
    5,481.3 left arrow 17.8
  • Write speed, GB/s
    2,549.9 left arrow 12.7
  • Memory bandwidth, mbps
    6400 left arrow 19200
Other
  • Description
    PC2-6400, SSTL 1.8V, CAS Supported: 4 5 left arrow PC4-19200, 1.2V, CAS Supported: 9 10 11 12 13 14 15 16 17 18 19 20 25
  • Timings / Clock speed
    5-5-5-15 / 800 MHz left arrow 15-15-15, 16-16-16, 17-17-17, 18-18-18 / 2400 MHz
  • Ranking PassMark (The more the better)
    1026 left arrow 3129

Corsair CM2X2048-6400C5 2GB RAM comparisons

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Corsair CM4B8G1J2400A16K2-O 8GB RAM comparisons

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RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
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