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SK Hynix HMT42GR7AFR4A-PB 16GB
SK Hynix HMA81GR7AFR8N-UH 8GB

SK Hynix HMT42GR7AFR4A-PB 16GB vs SK Hynix HMA81GR7AFR8N-UH 8GB

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

SK Hynix HMT42GR7AFR4A-PB 16GB

Overall score
star star star star star
SK Hynix HMA81GR7AFR8N-UH 8GB

SK Hynix HMA81GR7AFR8N-UH 8GB

Differences Specifications Comments

Differences

SK Hynix HMT42GR7AFR4A-PB 16GB Reasons to consider
SK Hynix HMT42GR7AFR4A-PB 16GB
Report a bug
  • Below the latency in the PassMark tests, ns
    42 left arrow 57
    Around 26% lower latency
  • Faster reading speed, GB/s
    11.7 left arrow 9.4
    Average value in the tests
  • Faster write speed, GB/s
    8.0 left arrow 7.6
    Average value in the tests
SK Hynix HMA81GR7AFR8N-UH 8GB Reasons to consider
SK Hynix HMA81GR7AFR8N-UH 8GB
Report a bug
  • Higher memory bandwidth, mbps
    19200 left arrow 12800
    Around 1.5 higher bandwidth

Specifications

Complete list of technical specifications
SK Hynix HMT42GR7AFR4A-PB 16GB
SK Hynix HMA81GR7AFR8N-UH 8GB
Main characteristics
  • Memory type
    DDR3 left arrow DDR4
  • Latency in PassMark, ns
    42 left arrow 57
  • Read speed, GB/s
    11.7 left arrow 9.4
  • Write speed, GB/s
    8.0 left arrow 7.6
  • 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
  • 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 2170

SK Hynix HMT42GR7AFR4A-PB 16GB RAM comparisons

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

SK Hynix HMA81GR7AFR8N-UH 8GB RAM comparisons

Shanghai Kuxin Microelectronics Ltd NMUD480E82-2666 8GB
Crucial Technology BLS4G4D240FSE.8FBD 4GB
RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
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