Crucial Technology CT25664AA800.M16FM 2GB
Crucial Technology CT4G4DFS8266.C8FF 4GB

Crucial Technology CT25664AA800.M16FM 2GB vs Crucial Technology CT4G4DFS8266.C8FF 4GB

Overall score
star star star star star
Crucial Technology CT25664AA800.M16FM 2GB

Crucial Technology CT25664AA800.M16FM 2GB

Overall score
star star star star star
Crucial Technology CT4G4DFS8266.C8FF 4GB

Crucial Technology CT4G4DFS8266.C8FF 4GB

Differences

  • Below the latency in the PassMark tests, ns
    51 left arrow 81
    Around 37% lower latency
  • Faster reading speed, GB/s
    5 left arrow 15.2
    Average value in the tests
  • Faster write speed, GB/s
    7.9 left arrow 2,135.0
    Average value in the tests
  • Higher memory bandwidth, mbps
    21300 left arrow 6400
    Around 3.33 higher bandwidth

Specifications

Complete list of technical specifications
Crucial Technology CT25664AA800.M16FM 2GB
Crucial Technology CT4G4DFS8266.C8FF 4GB
Main characteristics
  • Memory type
    DDR2 left arrow DDR4
  • Latency in PassMark, ns
    51 left arrow 81
  • Read speed, GB/s
    5,021.4 left arrow 15.2
  • Write speed, GB/s
    2,135.0 left arrow 7.9
  • Memory bandwidth, mbps
    6400 left arrow 21300
Other
  • Description
    PC2-6400, SSTL 1.8V, CAS Supported: 4 5 6 left arrow PC4-21300, 1.2V, CAS Supported: 10 12 13 14 15 16 17 18 19 20
  • Timings / Clock speed
    5-5-5-15 / 800 MHz left arrow 17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
  • Ranking PassMark (The more the better)
    855 left arrow 1668
RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
RAM 2

Latest comparisons