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Corsair CM2X2048-6400C5 2GB
Corsair CMD8GX4M2B3866C18 4GB

Corsair CM2X2048-6400C5 2GB vs Corsair CMD8GX4M2B3866C18 4GB

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

Corsair CM2X2048-6400C5 2GB

Overall score
star star star star star
Corsair CMD8GX4M2B3866C18 4GB

Corsair CMD8GX4M2B3866C18 4GB

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 21.2
    Average value in the tests
  • Faster write speed, GB/s
    2,549.9 left arrow 17.7
    Average value in the tests
Corsair CMD8GX4M2B3866C18 4GB Reasons to consider
Corsair CMD8GX4M2B3866C18 4GB
Report a bug
  • Below the latency in the PassMark tests, ns
    18 left arrow 53
    Around -194% lower latency
  • Higher memory bandwidth, mbps
    17000 left arrow 6400
    Around 2.66 higher bandwidth

Specifications

Complete list of technical specifications
Corsair CM2X2048-6400C5 2GB
Corsair CMD8GX4M2B3866C18 4GB
Main characteristics
  • Memory type
    DDR2 left arrow DDR4
  • Latency in PassMark, ns
    53 left arrow 18
  • Read speed, GB/s
    5,481.3 left arrow 21.2
  • Write speed, GB/s
    2,549.9 left arrow 17.7
  • Memory bandwidth, mbps
    6400 left arrow 17000
Other
  • Description
    PC2-6400, SSTL 1.8V, CAS Supported: 4 5 left arrow PC4-17000, 1.2V, CAS Supported: 9 10 11 12 13 14 15 16
  • Timings / Clock speed
    5-5-5-15 / 800 MHz left arrow 14-14-14, 15-15-15, 16-16-16 / 2133 MHz
  • Ranking PassMark (The more the better)
    1026 left arrow 3663

Corsair CM2X2048-6400C5 2GB RAM comparisons

Corsair CM2X2048-6400C5DHX 2GB
InnoDisk Corporation 16GB

Corsair CMD8GX4M2B3866C18 4GB RAM comparisons

Crucial Technology BLS4G4D240FSE.8FBD 4GB
Hoodisk Electronics Co Ltd GKE160SO102408-2666 16GB
RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
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