Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9 vs Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11
Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9
1×8 GB · DDR3 · 1333 MHz · CL9Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11
2×2 GB · DDR3 · 1866 MHz · CL11Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9 and Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11 are neck and neck on specs: gear scores 34 and 34.
- Total capacity: Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9 leads (8 GB vs 4 GB).
- Speed: Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11 leads (1,866 MHz vs 1,333 MHz).
- CAS latency: Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9 leads (CL9 vs CL11).
- Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11 has lower true latency (11.8 ns vs 13.5 ns; speed and CL combined).
Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9
If you care most about total capacity, cAS latency.
Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11
If you care most about speed, true latency.
Spec-by-spec comparison
| Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9 | Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11 | |
|---|---|---|
| 34 | Gear score | 34 |
| DDR3 | Type | DDR3 |
| 8 GB | Total capacity | 4 GB |
| 1×8 GB | Kit | 2×2 GB |
| 1,333 MHz | Speed | 1,866 MHz |
| CL9 | CAS latency | CL11 |
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.
Which one adds more to your setup?
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FAQ
Is Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9 or Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11 better?
Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9 and Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11 are neck and neck on specs: gear scores 34 and 34. Total capacity: Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9 leads (8 GB vs 4 GB). Speed: Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11 leads (1,866 MHz vs 1,333 MHz). CAS latency: Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 CL9 leads (CL9 vs CL11).
Which one is faster?
Speed: Kingston KHX1866C11D3P1K2/4G 4GB (2x2GB) DDR3 1866 CL11 leads (1,866 MHz vs 1,333 MHz).