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SK Hynix HMA851S6CJR6N-XN 4GB
SK Hynix HMA851S6JJR6N-VK 4GB

SK Hynix HMA851S6CJR6N-XN 4GB vs SK Hynix HMA851S6JJR6N-VK 4GB

Overall score
star star star star star
SK Hynix HMA851S6CJR6N-XN 4GB

SK Hynix HMA851S6CJR6N-XN 4GB

Overall score
star star star star star
SK Hynix HMA851S6JJR6N-VK 4GB

SK Hynix HMA851S6JJR6N-VK 4GB

Differences Specifications Comments

Differences

SK Hynix HMA851S6CJR6N-XN 4GB Reasons to consider
SK Hynix HMA851S6CJR6N-XN 4GB
Report a bug
  • Faster write speed, GB/s
    11.6 left arrow 11.5
    Average value in the tests
  • Higher memory bandwidth, mbps
    25600 left arrow 21300
    Around 1.2% higher bandwidth
SK Hynix HMA851S6JJR6N-VK 4GB Reasons to consider
SK Hynix HMA851S6JJR6N-VK 4GB
Report a bug
  • Below the latency in the PassMark tests, ns
    36 left arrow 38
    Around -6% lower latency
  • Faster reading speed, GB/s
    15.4 left arrow 15.1
    Average value in the tests

Specifications

Complete list of technical specifications
SK Hynix HMA851S6CJR6N-XN 4GB
SK Hynix HMA851S6JJR6N-VK 4GB
Main characteristics
  • Memory type
    DDR4 left arrow DDR4
  • Latency in PassMark, ns
    38 left arrow 36
  • Read speed, GB/s
    15.1 left arrow 15.4
  • Write speed, GB/s
    11.6 left arrow 11.5
  • Memory bandwidth, mbps
    25600 left arrow 21300
Other
  • Description
    PC4-25600, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18 19 20 21 22 24 left arrow PC4-21300, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18 19 20
  • Timings / Clock speed
    20-20-20, 22-22-22, 24-24-24 / 3200 MHz left arrow 17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
  • Ranking PassMark (The more the better)
    2382 left arrow 2320

SK Hynix HMA851S6CJR6N-XN 4GB RAM comparisons

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SK Hynix HMA851S6JJR6N-VK 4GB RAM comparisons

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