Kingston KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 vs Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15
Kingston KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10
1×8 GB · DDR3 · 1600 MHz · CL10Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15
1×4 GB · DDR4 · 2133 MHz · CL15Kingston KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 and Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 38 and 39.
- Total capacity: Kingston KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 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 KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 leads (CL10 vs CL15).
- Kingston KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 has lower true latency (12.5 ns vs 14.1 ns; speed and CL combined).
Kingston KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10
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 KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 | Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 | |
|---|---|---|
| 38 | Gear score | 39 |
| DDR3 | Type | DDR4 |
| 8 GB | Total capacity | 4 GB |
| 1×8 GB | Kit | 1×4 GB |
| 1,600 MHz | Speed | 2,133 MHz |
| CL10 | 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 KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 or Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 better?
Kingston KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 and Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 are neck and neck on specs: gear scores 38 and 39. Total capacity: Kingston KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 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 KHX1600C10D3B1/8G 8GB (1x8GB) DDR3 1600 CL10 leads (CL10 vs CL15).
Which one is faster?
Speed: Kingston KVR21SE15S8/4 4GB (1x4GB) DDR4 2133 CL15 leads (2,133 MHz vs 1,600 MHz).