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G Skill Intl F5-6400J3239G16G 16GB
G Skill Intl F4-4000C19-4GTZ 4GB

G Skill Intl F5-6400J3239G16G 16GB vs G Skill Intl F4-4000C19-4GTZ 4GB

Overall score
star star star star star
G Skill Intl F5-6400J3239G16G 16GB

G Skill Intl F5-6400J3239G16G 16GB

Overall score
star star star star star
G Skill Intl F4-4000C19-4GTZ 4GB

G Skill Intl F4-4000C19-4GTZ 4GB

Differences Specifications Comments

Differences

G Skill Intl F5-6400J3239G16G 16GB Reasons to consider
G Skill Intl F5-6400J3239G16G 16GB
Report a bug
  • Faster write speed, GB/s
    15.7 left arrow 15.0
    Average value in the tests
  • Higher memory bandwidth, mbps
    19200 left arrow 17000
    Around 1.13% higher bandwidth
G Skill Intl F4-4000C19-4GTZ 4GB Reasons to consider
G Skill Intl F4-4000C19-4GTZ 4GB
Report a bug
  • Below the latency in the PassMark tests, ns
    20 left arrow 26
    Around -30% lower latency
  • Faster reading speed, GB/s
    19.4 left arrow 17.8
    Average value in the tests

Specifications

Complete list of technical specifications
G Skill Intl F5-6400J3239G16G 16GB
G Skill Intl F4-4000C19-4GTZ 4GB
Main characteristics
  • Memory type
    DDR5 left arrow DDR4
  • Latency in PassMark, ns
    26 left arrow 20
  • Read speed, GB/s
    17.8 left arrow 19.4
  • Write speed, GB/s
    15.7 left arrow 15.0
  • Memory bandwidth, mbps
    19200 left arrow 17000
Other
  • Description
    PC5-19200, 1.1V, CAS Supported: 22 28 30 32 36 40 42 left arrow PC4-17000, 1.2V, CAS Supported: 9 11 12 13 14 15 16 18 19
  • Timings / Clock speed
    no data / 2400 MHz left arrow 14-14-14, 15-15-15, 16-16-16 / 2133 MHz
  • Ranking PassMark (The more the better)
    3867 left arrow 3217

G Skill Intl F5-6400J3239G16G 16GB RAM comparisons

Corsair CMK16GX4M2K4266C16 8GB
Kingston 9905783-025.A01G 16GB

G Skill Intl F4-4000C19-4GTZ 4GB RAM comparisons

Kingmax Semiconductor FLGF65F-C8KJ9A 4GB
Hoodisk Electronics Co Ltd GKE160SO102408-2666 16GB
RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
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