Memory kits / Comparison

Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 vs Kingston Beast 8GB (2x4GB) DDR3 1866 CL10

RAM · Corsair

Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9

2×2 GB · DDR3 · 2133 MHz · CL9
GEAR SCORE 42.0 / 100Average
Capacity15
Speed28
Latency100
Generation25
VS
RAM · Kingston

Kingston Beast 8GB (2x4GB) DDR3 1866 CL10

2×4 GB · DDR3 · 1866 MHz · CL10
GEAR SCORE 42.0 / 100Average
Capacity35
Speed23
Latency84
Generation25
Verdict

Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 and Kingston Beast 8GB (2x4GB) DDR3 1866 CL10 are neck and neck on specs: gear scores 42 and 42.

  • Total capacity: Kingston Beast 8GB (2x4GB) DDR3 1866 CL10 leads (8 GB vs 4 GB).
  • Speed: Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 leads (2,133 MHz vs 1,866 MHz).
  • CAS latency: Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 leads (CL9 vs CL10).
  • Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 has lower true latency (8.4 ns vs 10.7 ns; speed and CL combined).
Pick this

Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9

If you care most about speed, cAS latency, true latency.

Pick this

Kingston Beast 8GB (2x4GB) DDR3 1866 CL10

If you care most about total capacity.

Spec-by-spec comparison

Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9Kingston Beast 8GB (2x4GB) DDR3 1866 CL10
42Gear score42
DDR3TypeDDR3
4 GBTotal capacity8 GB
2×2 GBKit2×4 GB
2,133 MHzSpeed1,866 MHz
CL9CAS latencyCL10

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.

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FAQ

Is Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 or Kingston Beast 8GB (2x4GB) DDR3 1866 CL10 better?

Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 and Kingston Beast 8GB (2x4GB) DDR3 1866 CL10 are neck and neck on specs: gear scores 42 and 42. Total capacity: Kingston Beast 8GB (2x4GB) DDR3 1866 CL10 leads (8 GB vs 4 GB). Speed: Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 leads (2,133 MHz vs 1,866 MHz). CAS latency: Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 leads (CL9 vs CL10).

Which one is faster?

Speed: Corsair Dominator GT 4GB (2x2GB) DDR3 2133 CL9 leads (2,133 MHz vs 1,866 MHz).