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SK Hynix HMT451S6BFR8A-PB 4GB
SK Hynix HMA81GR7MFR8N-UH 8GB

SK Hynix HMT451S6BFR8A-PB 4GB vs SK Hynix HMA81GR7MFR8N-UH 8GB

Overall score
star star star star star
SK Hynix HMT451S6BFR8A-PB 4GB

SK Hynix HMT451S6BFR8A-PB 4GB

Overall score
star star star star star
SK Hynix HMA81GR7MFR8N-UH 8GB

SK Hynix HMA81GR7MFR8N-UH 8GB

Differences Specifications Comments

Differences

SK Hynix HMT451S6BFR8A-PB 4GB Reasons to consider
SK Hynix HMT451S6BFR8A-PB 4GB
Report a bug
  • Below the latency in the PassMark tests, ns
    44 left arrow 56
    Around 21% lower latency
  • Faster reading speed, GB/s
    12.3 left arrow 9.5
    Average value in the tests
  • Faster write speed, GB/s
    7.8 left arrow 7.2
    Average value in the tests
SK Hynix HMA81GR7MFR8N-UH 8GB Reasons to consider
SK Hynix HMA81GR7MFR8N-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 HMT451S6BFR8A-PB 4GB
SK Hynix HMA81GR7MFR8N-UH 8GB
Main characteristics
  • Memory type
    DDR3 left arrow DDR4
  • Latency in PassMark, ns
    44 left arrow 56
  • Read speed, GB/s
    12.3 left arrow 9.5
  • Write speed, GB/s
    7.8 left arrow 7.2
  • Memory bandwidth, mbps
    12800 left arrow 19200
Other
  • Description
    PC3-12800, 1.5V, 1.35V , CAS Supported: 5 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)
    1977 left arrow 2138

SK Hynix HMT451S6BFR8A-PB 4GB RAM comparisons

Samsung M471B5173EB0-YK0 4GB
Samsung M471B5173QH0-YK0 4GB

SK Hynix HMA81GR7MFR8N-UH 8GB RAM comparisons

Hoodisk Electronics Co Ltd GKE160SO102408-2666 16GB
Kingston 9905403-061.A00LF 2GB
RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
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