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Kingston KHX4000C19D4/8GX 8GB
Kingston KHX2666C16/8G 8GB

Kingston KHX4000C19D4/8GX 8GB vs Kingston KHX2666C16/8G 8GB

Overall score
star star star star star
Kingston KHX4000C19D4/8GX 8GB

Kingston KHX4000C19D4/8GX 8GB

Overall score
star star star star star
Kingston KHX2666C16/8G 8GB

Kingston KHX2666C16/8G 8GB

Differences Specifications Comments

Differences

Kingston KHX4000C19D4/8GX 8GB Reasons to consider
Kingston KHX4000C19D4/8GX 8GB
Report a bug
  • Below the latency in the PassMark tests, ns
    26 left arrow 30
    Around 13% lower latency
  • Faster reading speed, GB/s
    19.2 left arrow 16.7
    Average value in the tests
  • Faster write speed, GB/s
    17.1 left arrow 13.0
    Average value in the tests
Kingston KHX2666C16/8G 8GB Reasons to consider
Kingston KHX2666C16/8G 8GB
Report a bug
  • Higher memory bandwidth, mbps
    21300 left arrow 19200
    Around 1.11 higher bandwidth

Specifications

Complete list of technical specifications
Kingston KHX4000C19D4/8GX 8GB
Kingston KHX2666C16/8G 8GB
Main characteristics
  • Memory type
    DDR4 left arrow DDR4
  • Latency in PassMark, ns
    26 left arrow 30
  • Read speed, GB/s
    19.2 left arrow 16.7
  • Write speed, GB/s
    17.1 left arrow 13.0
  • Memory bandwidth, mbps
    19200 left arrow 21300
Other
  • Description
    PC4-19200, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18 left arrow PC4-21300, 1.2V, CAS Supported: 9 11 12 13 14 15 16 17 18
  • Timings / Clock speed
    15-15-15, 16-16-16, 17-17-17, 18-18-18 / 2400 MHz left arrow 17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
  • Ranking PassMark (The more the better)
    3856 left arrow 3208

Kingston KHX4000C19D4/8GX 8GB RAM comparisons

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Kingston KHX2666C16/8G 8GB RAM comparisons

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RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
RAM 2

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