Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9 vs Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15
Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9
2×4 GB · DDR3 · 1600 MHz · CL9Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15
1×4 GB · DDR4 · 2133 MHz · CL15Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9 and Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 40 and 39.
- Total capacity: Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9 leads (8 GB vs 4 GB).
- Speed: Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,600 MHz).
- CAS latency: Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9 leads (CL9 vs CL15).
- Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9 has lower true latency (11.3 ns vs 14.1 ns; speed and CL combined).
Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9
If you care most about total capacity, cAS latency, true latency.
Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15
If you care most about speed.
Spec-by-spec comparison
| Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9 | Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 | |
|---|---|---|
| 40 | Gear score | 39 |
| DDR3 | Type | DDR4 |
| 8 GB | Total capacity | 4 GB |
| 2×4 GB | Kit | 1×4 GB |
| 1,600 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?
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 Beast 8GB (2x4GB) DDR3 1600 CL9 or Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 better?
Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9 and Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 40 and 39. Total capacity: Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9 leads (8 GB vs 4 GB). Speed: Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,600 MHz). CAS latency: Kingston HyperX Beast 8GB (2x4GB) DDR3 1600 CL9 leads (CL9 vs CL15).
Which one is faster?
Speed: Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,600 MHz).