Memory kits / Comparison

G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15 vs G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10

RAM · G.Skill

G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15

4×4 GB · DDR4 · 2666 MHz · CL15
GEAR SCORE 63.0 / 100Good
Capacity65
Speed46
Latency80
Generation62
VS
RAM · G.Skill

G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10

8×8 GB · DDR3 · 1866 MHz · CL10
GEAR SCORE 62.0 / 100Good
Capacity100
Speed23
Latency84
Generation25
Verdict

G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15 and G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10 are neck and neck on specs: gear scores 63 and 62.

  • Total capacity: G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10 leads (64 GB vs 16 GB).
  • Speed: G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15 leads (2,666 MHz vs 1,866 MHz).
  • CAS latency: G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10 leads (CL10 vs CL15).
  • G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10 has lower true latency (10.7 ns vs 11.3 ns; speed and CL combined).
Pick this

G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15

If you care most about speed.

Pick this

G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10

If you care most about total capacity, cAS latency, true latency.

Spec-by-spec comparison

G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10
63Gear score62
DDR4TypeDDR3
16 GBTotal capacity64 GB
4×4 GBKit8×8 GB
2,666 MHzSpeed1,866 MHz
CL15CAS latencyCL10
≈ $138Estimated price—

The gear score is computed from specifications only (e.g. for a mouse: weight, sensor, polling rate, connection and release year). It isn’t a lab test and doesn’t measure personal preferences like shape or grip.

Free · no install

Which one adds more to your setup?

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FAQ

Is G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15 or G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10 better?

G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15 and G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10 are neck and neck on specs: gear scores 63 and 62. Total capacity: G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10 leads (64 GB vs 16 GB). Speed: G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15 leads (2,666 MHz vs 1,866 MHz). CAS latency: G.Skill Ripjaws Z 64GB (8x8GB) DDR3 1866 CL10 leads (CL10 vs CL15).

Which one is faster?

Speed: G.Skill Ripjaws 16GB (4x4GB) DDR4 2666 CL15 leads (2,666 MHz vs 1,866 MHz).