Kingston HyperX T1 3GB (3x1GB) DDR3 1866 CL9 vs Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15
Kingston HyperX T1 3GB (3x1GB) DDR3 1866 CL9
3×1 GB · DDR3 · 1866 MHz · CL9Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15
1×4 GB · DDR4 · 2133 MHz · CL15Kingston HyperX T1 3GB (3x1GB) DDR3 1866 CL9 and Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 38 and 39.
- Total capacity: Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15 leads (4 GB vs 3 GB).
- Speed: Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,866 MHz).
- CAS latency: Kingston HyperX T1 3GB (3x1GB) DDR3 1866 CL9 leads (CL9 vs CL15).
- Kingston HyperX T1 3GB (3x1GB) DDR3 1866 CL9 has lower true latency (9.6 ns vs 14.1 ns; speed and CL combined).
Kingston HyperX T1 3GB (3x1GB) DDR3 1866 CL9
If you care most about cAS latency, true latency.
Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15
If you care most about total capacity, speed.
Spec-by-spec comparison
| Kingston HyperX T1 3GB (3x1GB) DDR3 1866 CL9 | Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15 | |
|---|---|---|
| 38 | Gear score | 39 |
| DDR3 | Type | DDR4 |
| 3 GB | Total capacity | 4 GB |
| 3×1 GB | Kit | 1×4 GB |
| 1,866 MHz | Speed | 2,133 MHz |
| CL9 | CAS latency | CL15 |
| — | Estimated price | ≈ $66 |
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 HyperX T1 3GB (3x1GB) DDR3 1866 CL9 or Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15 better?
Kingston HyperX T1 3GB (3x1GB) DDR3 1866 CL9 and Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 38 and 39. Total capacity: Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15 leads (4 GB vs 3 GB). Speed: Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,866 MHz). CAS latency: Kingston HyperX T1 3GB (3x1GB) DDR3 1866 CL9 leads (CL9 vs CL15).
Which one is faster?
Speed: Kingston KCP421NS8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,866 MHz).