Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9 vs Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15
Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9
2×2 GB · DDR3 · 1866 MHz · CL9Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15
1×4 GB · DDR4 · 2133 MHz · CL15Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9 and Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 38 and 39.
- Speed: Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,866 MHz).
- CAS latency: Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9 leads (CL9 vs CL15).
- Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9 has lower true latency (9.6 ns vs 14.1 ns; speed and CL combined).
Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9
If you care most about cAS latency, true latency.
Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15
If you care most about speed.
Spec-by-spec comparison
| Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9 | Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 | |
|---|---|---|
| 38 | Gear score | 39 |
| DDR3 | Type | DDR4 |
| 4 GB | Total capacity | 4 GB |
| 2×2 GB | Kit | 1×4 GB |
| 1,866 MHz | Speed | 2,133 MHz |
| CL9 | 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?
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FAQ
Is Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9 or Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 better?
Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9 and Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 38 and 39. Speed: Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,866 MHz). CAS latency: Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9 leads (CL9 vs CL15). Kingston HyperX T1 4GB (2x2GB) DDR3 1866 CL9 has lower true latency (9.6 ns vs 14.1 ns; speed and CL combined).
Which one is faster?
Speed: Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,866 MHz).