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Kingston ACR256X64D3S1333C9 2GB
Kingston HX421C14FB/4 4GB
Compare
Kingston ACR256X64D3S1333C9 2GB vs Kingston HX421C14FB/4 4GB
Overall score
Kingston ACR256X64D3S1333C9 2GB
Overall score
Kingston HX421C14FB/4 4GB
Differences
Specifications
Comments
Differences
Reasons to consider
Kingston ACR256X64D3S1333C9 2GB
Report a bug
Below the latency in the PassMark tests, ns
27
30
Around 10% lower latency
Reasons to consider
Kingston HX421C14FB/4 4GB
Report a bug
Faster reading speed, GB/s
16.8
11.9
Average value in the tests
Faster write speed, GB/s
12.2
8.5
Average value in the tests
Higher memory bandwidth, mbps
17000
10600
Around 1.6 higher bandwidth
Specifications
Complete list of technical specifications
Kingston ACR256X64D3S1333C9 2GB
Kingston HX421C14FB/4 4GB
Main characteristics
Memory type
DDR3
DDR4
Latency in PassMark, ns
27
30
Read speed, GB/s
11.9
16.8
Write speed, GB/s
8.5
12.2
Memory bandwidth, mbps
10600
17000
Other
Description
PC3-10600, 1.5V, CAS Supported: 5 6 7 8 9
PC4-17000, 1.2V, CAS Supported: 9 11 12 13 14 15 16
Timings / Clock speed
7-7-7-20 / 1333 MHz
14-14-14, 15-15-15, 16-16-16 / 2133 MHz
Ranking PassMark (The more the better)
1620
2730
Kingston ACR256X64D3S1333C9 2GB RAM comparisons
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Kingston HX421C14FB/4 4GB RAM comparisons
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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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