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

Overall score

SK Hynix HMA851S6CJR6N-XN 4GB

SK Hynix HMA851S6CJR6N-XN 4GB

Overall score

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

Faster write speed, GB/s

11.6 11.5

Average value in the tests
Higher memory bandwidth, mbps

25600 21300

Around 1.2% higher bandwidth

SK Hynix HMA851S6JJR6N-VK 4GB

Reasons to consider
SK Hynix HMA851S6JJR6N-VK 4GB

Below the latency in the PassMark tests, ns

36 38

Around -6% lower latency
Faster reading speed, GB/s

15.4 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 DDR4
Latency in PassMark, ns

38 36
Read speed, GB/s

15.1 15.4
Write speed, GB/s

11.6 11.5
Memory bandwidth, mbps

25600 21300

Other

Description

PC4-25600, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18 19 20 21 22 24 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 17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
Ranking PassMark (The more the better)

2382 2320

RAM Latency Calculator

Calculate Ram speed clock interval in nanosecond format

RAM 1

CAS Latency (CL) *

Frequency (Mhz) *

Absolute Latency

0 ns

RAM 2

CAS Latency (CL) *

Frequency (Mhz) *

Absolute Latency

0 ns

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