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SK Hynix HMT42GR7AFR4A-PB 16GB
Samsung M393A8K40B21-CTC 64GB

SK Hynix HMT42GR7AFR4A-PB 16GB vs Samsung M393A8K40B21-CTC 64GB

Overall score
star star star star star
SK Hynix HMT42GR7AFR4A-PB 16GB

SK Hynix HMT42GR7AFR4A-PB 16GB

Overall score
star star star star star
Samsung M393A8K40B21-CTC 64GB

Samsung M393A8K40B21-CTC 64GB

Differences Specifications Comments

Differences

SK Hynix HMT42GR7AFR4A-PB 16GB Reasons to consider
SK Hynix HMT42GR7AFR4A-PB 16GB
Report a bug
  • Faster reading speed, GB/s
    11.7 left arrow 8.9
    Average value in the tests
  • Faster write speed, GB/s
    8.0 left arrow 6.8
    Average value in the tests
Samsung M393A8K40B21-CTC 64GB Reasons to consider
Samsung M393A8K40B21-CTC 64GB
Report a bug
  • Below the latency in the PassMark tests, ns
    39 left arrow 42
    Around -8% lower latency
  • Higher memory bandwidth, mbps
    19200 left arrow 12800
    Around 1.5 higher bandwidth

Specifications

Complete list of technical specifications
SK Hynix HMT42GR7AFR4A-PB 16GB
Samsung M393A8K40B21-CTC 64GB
Main characteristics
  • Memory type
    DDR3 left arrow DDR4
  • Latency in PassMark, ns
    42 left arrow 39
  • Read speed, GB/s
    11.7 left arrow 8.9
  • Write speed, GB/s
    8.0 left arrow 6.8
  • Memory bandwidth, mbps
    12800 left arrow 19200
Other
  • Description
    PC3-12800, 1.5V, 1.35V , CAS Supported: 6 7 8 9 10 11 left arrow PC4-19200, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18 19 20
  • Timings / Clock speed
    9-9-9-24 / 1600 MHz left arrow 15-15-15, 16-16-16, 17-17-17, 18-18-18 / 2400 MHz
  • Ranking PassMark (The more the better)
    2535 left arrow 2011

SK Hynix HMT42GR7AFR4A-PB 16GB RAM comparisons

SK Hynix HMT42GR7BFR4A-PB 16GB
Hynix Semiconductor (Hyundai Electronics) HMT42GR7MFR4A-H9 16GB

Samsung M393A8K40B21-CTC 64GB RAM comparisons

A-DATA Technology AM2U16BC4P2-B05B 4GB
Crucial Technology BLS4G4D240FSE.8FBD 4GB
RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
RAM 2

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