Crucial Technology CT25664AA800.M16FM 2GB vs Corsair CMV4GX4M1A2666C18 4GB

Overall score

Crucial Technology CT25664AA800.M16FM 2GB

Crucial Technology CT25664AA800.M16FM 2GB

Overall score

Corsair CMV4GX4M1A2666C18 4GB

Corsair CMV4GX4M1A2666C18 4GB

Differences Specifications Comments

Differences

Crucial Technology CT25664AA800.M16FM 2GB

Reasons to consider
Crucial Technology CT25664AA800.M16FM 2GB

Faster reading speed, GB/s

5 15.1

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

2,135.0 11.0

Average value in the tests

Corsair CMV4GX4M1A2666C18 4GB

Reasons to consider
Corsair CMV4GX4M1A2666C18 4GB

Below the latency in the PassMark tests, ns

30 51

Around -70% lower latency
Higher memory bandwidth, mbps

21300 6400

Around 3.33 higher bandwidth

Specifications

Complete list of technical specifications

Crucial Technology CT25664AA800.M16FM 2GB

Corsair CMV4GX4M1A2666C18 4GB

Main characteristics

Memory type

DDR2 DDR4
Latency in PassMark, ns

51 30
Read speed, GB/s

5,021.4 15.1
Write speed, GB/s

2,135.0 11.0
Memory bandwidth, mbps

6400 21300

Other

Description

PC2-6400, SSTL 1.8V, CAS Supported: 4 5 6 PC4-21300, 1.2V, CAS Supported: 9 10 11 12 13 14 15 16 17 18 19 20 25
Timings / Clock speed

5-5-5-15 / 800 MHz 17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
Ranking PassMark (The more the better)

855 1847

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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