Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19 vs Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10
Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19
1×4 GB · DDR4 · 2666 MHz · CL19Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10
2×4 GB · DDR3 · 1866 MHz · CL10Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19 and Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10 are neck and neck on specs: gear scores 43 and 42.
- Total capacity: Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10 leads (8 GB vs 4 GB).
- Speed: Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19 leads (2,666 MHz vs 1,866 MHz).
- CAS latency: Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10 leads (CL10 vs CL19).
- Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10 has lower true latency (10.7 ns vs 14.3 ns; speed and CL combined).
Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19
If you care most about speed.
Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10
If you care most about total capacity, cAS latency, true latency.
Spec-by-spec comparison
| Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19 | Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10 | |
|---|---|---|
| 43 | Gear score | 42 |
| DDR4 | Type | DDR3 |
| 4 GB | Total capacity | 8 GB |
| 1×4 GB | Kit | 2×4 GB |
| 2,666 MHz | Speed | 1,866 MHz |
| CL19 | CAS latency | CL10 |
| ≈ $42 | Estimated 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.
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 Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19 or Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10 better?
Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19 and Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10 are neck and neck on specs: gear scores 43 and 42. Total capacity: Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10 leads (8 GB vs 4 GB). Speed: Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19 leads (2,666 MHz vs 1,866 MHz). CAS latency: Kingston KHX18C10K2/8 8GB (2x4GB) DDR3 1866 CL10 leads (CL10 vs CL19).
Which one is faster?
Speed: Kingston KCP426NS6/4 4GB (1x4GB) DDR4 2666 CL19 leads (2,666 MHz vs 1,866 MHz).