Keyboards / Comparison
Cooler Master SK621 vs Razer BlackWidow V4 X
Keyboard · Cooler Master
Cooler Master SK621
TKL · Cherry MX Low Profile Red · WirelessGood
Rapid Trigger45
Switch70
Connection100
VS
Keyboard · Razer
Razer BlackWidow V4 X
Full-size · Razer Green · Wired · 2023Good
Rapid Trigger45
Switch70
Connection70
Recency77
Verdict
Cooler Master SK621 and Razer BlackWidow V4 X are neck and neck on specs: gear scores 63 and 61.
- Cooler Master SK621 is wireless; Razer BlackWidow V4 X is wired.
Pick this
Cooler Master SK621
If you care most about connection.
Spec-by-spec comparison
| Cooler Master SK621 | Razer BlackWidow V4 X | |
|---|---|---|
| 63 | Gear score | 61 |
| TKL | Size | Full-size |
| Cherry MX Low Profile Red | Switch | Razer Green |
| Wireless | Connection | Wired |
| — | Release year | 2023 |
| — | Estimated price | ≈ $109 |
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.
Free · no install
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 Cooler Master SK621 or Razer BlackWidow V4 X better?
Cooler Master SK621 and Razer BlackWidow V4 X are neck and neck on specs: gear scores 63 and 61. Cooler Master SK621 is wireless; Razer BlackWidow V4 X is wired.
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