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Kingston HX421C14FB/4 4GB
Kingston KF556C40-16 16GB
Compare
Kingston HX421C14FB/4 4GB vs Kingston KF556C40-16 16GB
Overall score
Kingston HX421C14FB/4 4GB
Overall score
Kingston KF556C40-16 16GB
Differences
Specifications
Comments
Differences
Reasons to consider
Kingston HX421C14FB/4 4GB
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Faster reading speed, GB/s
16.8
14.9
Average value in the tests
Reasons to consider
Kingston KF556C40-16 16GB
Report a bug
Below the latency in the PassMark tests, ns
26
30
Around -15% lower latency
Faster write speed, GB/s
13.0
12.2
Average value in the tests
Higher memory bandwidth, mbps
19200
17000
Around 1.13 higher bandwidth
Specifications
Complete list of technical specifications
Kingston HX421C14FB/4 4GB
Kingston KF556C40-16 16GB
Main characteristics
Memory type
DDR4
DDR5
Latency in PassMark, ns
30
26
Read speed, GB/s
16.8
14.9
Write speed, GB/s
12.2
13.0
Memory bandwidth, mbps
17000
19200
Other
Description
PC4-17000, 1.2V, CAS Supported: 9 11 12 13 14 15 16
PC5-19200, 1.1V, CAS Supported: 22 26 28 30 32 36 40 42
Timings / Clock speed
14-14-14, 15-15-15, 16-16-16 / 2133 MHz
no data / 2400 MHz
Ranking PassMark (The more the better)
2730
3458
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RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
CAS Latency (CL) *
Frequency (Mhz) *
calculate
Absolute Latency
0 ns
RAM 2
CAS Latency (CL) *
Frequency (Mhz) *
calculate
Absolute Latency
0 ns
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