Corsair CMX8GX3M2A2000C9 4GB
Corsair CMK64GX4M8X4200C19 8GB

Corsair CMX8GX3M2A2000C9 4GB vs Corsair CMK64GX4M8X4200C19 8GB

Overall score
star star star star star
Corsair CMX8GX3M2A2000C9 4GB

Corsair CMX8GX3M2A2000C9 4GB

Overall score
star star star star star
Corsair CMK64GX4M8X4200C19 8GB

Corsair CMK64GX4M8X4200C19 8GB

Differences

  • Faster reading speed, GB/s
    14.3 left arrow 12.9
    Average value in the tests
  • Below the latency in the PassMark tests, ns
    28 left arrow 35
    Around -25% lower latency
  • Faster write speed, GB/s
    15.0 left arrow 9.4
    Average value in the tests
  • Higher memory bandwidth, mbps
    17000 left arrow 8500
    Around 2 higher bandwidth

Specifications

Complete list of technical specifications
Corsair CMX8GX3M2A2000C9 4GB
Corsair CMK64GX4M8X4200C19 8GB
Main characteristics
  • Memory type
    DDR3 left arrow DDR4
  • Latency in PassMark, ns
    35 left arrow 28
  • Read speed, GB/s
    14.3 left arrow 12.9
  • Write speed, GB/s
    9.4 left arrow 15.0
  • Memory bandwidth, mbps
    8500 left arrow 17000
Other
  • Description
    PC3-8500, 1.5V, CAS Supported: 6 7 8 9 left arrow PC4-17000, 1.2V, CAS Supported: 9 10 11 12 13 14 15 16
  • Timings / Clock speed
    7-7-7-20 / 1066 MHz left arrow 14-14-14, 15-15-15, 16-16-16 / 2133 MHz
  • Ranking PassMark (The more the better)
    2479 left arrow 3152
RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
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