Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 vs Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15
Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7
4×2 GB · DDR3 · 1333 MHz · CL7Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15
1×4 GB · DDR4 · 2133 MHz · CL15Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 and Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 39 and 39.
- Total capacity: Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 leads (8 GB vs 4 GB).
- Speed: Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,333 MHz).
- CAS latency: Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 leads (CL7 vs CL15).
- Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 has lower true latency (10.5 ns vs 14.1 ns; speed and CL combined).
Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7
If you care most about total capacity, cAS latency, true latency.
Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15
If you care most about speed.
Spec-by-spec comparison
| Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 | Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15 | |
|---|---|---|
| 39 | Gear score | 39 |
| DDR3 | Type | DDR4 |
| 8 GB | Total capacity | 4 GB |
| 4×2 GB | Kit | 1×4 GB |
| 1,333 MHz | Speed | 2,133 MHz |
| CL7 | CAS latency | CL15 |
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?
The scanner finds your graphics card, CPU, RAM, monitor, mouse and keyboard in under a minute. You get a score out of 100, estimated FPS in games, a bottleneck check and upgrade tips made for you.
FAQ
Is Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 or Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15 better?
Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 and Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 39 and 39. Total capacity: Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 leads (8 GB vs 4 GB). Speed: Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,333 MHz). CAS latency: Corsair Dominator 8GB (4x2GB) DDR3 1333 CL7 leads (CL7 vs CL15).
Which one is faster?
Speed: Kingston KVR21S15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,333 MHz).