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Kingston KHX1866C9D3/8GX 8GB
Kingston KF2666C15S4/8G 8GB

Kingston KHX1866C9D3/8GX 8GB vs Kingston KF2666C15S4/8G 8GB

Overall score
star star star star star
Kingston KHX1866C9D3/8GX 8GB

Kingston KHX1866C9D3/8GX 8GB

Overall score
star star star star star
Kingston KF2666C15S4/8G 8GB

Kingston KF2666C15S4/8G 8GB

Differences Specifications Comments

Differences

Kingston KHX1866C9D3/8GX 8GB Reasons to consider
Kingston KHX1866C9D3/8GX 8GB
Report a bug
  • Below the latency in the PassMark tests, ns
    36 left arrow 44
    Around 18% lower latency
  • Faster reading speed, GB/s
    15.8 left arrow 14.2
    Average value in the tests
Kingston KF2666C15S4/8G 8GB Reasons to consider
Kingston KF2666C15S4/8G 8GB
Report a bug
  • Faster write speed, GB/s
    10.8 left arrow 10.4
    Average value in the tests
  • Higher memory bandwidth, mbps
    21300 left arrow 12800
    Around 1.66 higher bandwidth

Specifications

Complete list of technical specifications
Kingston KHX1866C9D3/8GX 8GB
Kingston KF2666C15S4/8G 8GB
Main characteristics
  • Memory type
    DDR3 left arrow DDR4
  • Latency in PassMark, ns
    36 left arrow 44
  • Read speed, GB/s
    15.8 left arrow 14.2
  • Write speed, GB/s
    10.4 left arrow 10.8
  • Memory bandwidth, mbps
    12800 left arrow 21300
Other
  • Description
    PC3-12800, 1.5V, CAS Supported: 6 7 8 9 10 11 left arrow PC4-21300, 1.2V, CAS Supported: 11 12 13 14 15 16 17 18
  • Timings / Clock speed
    9-9-9-24 / 1600 MHz left arrow 17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
  • Ranking PassMark (The more the better)
    2751 left arrow 2425

Kingston KHX1866C9D3/8GX 8GB RAM comparisons

Kingston KHX1866C10D3/8G 8GB
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Kingston KF2666C15S4/8G 8GB RAM comparisons

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RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
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