G Skill Intl F3-1600C11-4GIS 4GB vs G Skill Intl F4-2666C19-8GVK 8GB

Overall score

G Skill Intl F3-1600C11-4GIS 4GB

G Skill Intl F3-1600C11-4GIS 4GB

Overall score

G Skill Intl F4-2666C19-8GVK 8GB

G Skill Intl F4-2666C19-8GVK 8GB

Differences Specifications Comments

Differences

G Skill Intl F3-1600C11-4GIS 4GB

Reasons to consider
G Skill Intl F3-1600C11-4GIS 4GB

Below the latency in the PassMark tests, ns

35 39

Around 10% lower latency
Faster reading speed, GB/s

15.5 15.3

Average value in the tests

G Skill Intl F4-2666C19-8GVK 8GB

Reasons to consider
G Skill Intl F4-2666C19-8GVK 8GB

Faster write speed, GB/s

12.1 9.0

Average value in the tests
Higher memory bandwidth, mbps

21300 12800

Around 1.66 higher bandwidth

Specifications

Complete list of technical specifications

G Skill Intl F3-1600C11-4GIS 4GB

G Skill Intl F4-2666C19-8GVK 8GB

Main characteristics

Memory type

DDR3 DDR4
Latency in PassMark, ns

35 39
Read speed, GB/s

15.5 15.3
Write speed, GB/s

9.0 12.1
Memory bandwidth, mbps

12800 21300

Other

Description

PC3-12800, 1.5V, CAS Supported: 6 7 8 9 10 11 PC4-21300, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Timings / Clock speed

9-9-9-24 / 1600 MHz 17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
Ranking PassMark (The more the better)

2405 2760

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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