RAM comparison Kingston 9905403-447.A00LF 4GB vs Kingston KF2666C16D4/8G 8GB

Kingston 9905403-447.A00LF 4GB vs Kingston KF2666C16D4/8G 8GB

Overall score

Kingston 9905403-447.A00LF 4GB

Overall score

Differences Specifications Comments

Reasons to consider
Kingston 9905403-447.A00LF 4GB

Reasons to consider
Kingston KF2666C16D4/8G 8GB

Below the latency in the PassMark tests, ns

32 36

Around -13% lower latency
Faster reading speed, GB/s

16.1 13.7

Average value in the tests
Faster write speed, GB/s

12.9 8.2

Average value in the tests
Higher memory bandwidth, mbps

21300 10600

Around 2.01 higher bandwidth

Complete list of technical specifications

Kingston 9905403-447.A00LF 4GB

Kingston KF2666C16D4/8G 8GB

Main characteristics

Other

Description

PC3-10600, 1.5V, CAS Supported: 6 7 8 9 PC4-21300, 1.2V, CAS Supported: 9 11 12 13 14 15 16 17 18
Timings / Clock speed

7-7-7-20 / 1333 MHz 17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
Ranking PassMark (The more the better)

2208 3101

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