Keyboards / Comparison
Cooler Master SK621 vs Razer BlackWidow V4 Pro
Keyboard · Cooler Master
Cooler Master SK621
TKL · Cherry MX Low Profile Red · WirelessGood
Rapid Trigger45
Switch70
Connection100
VS
Keyboard · Razer
Razer BlackWidow V4 Pro
Full-size · Razer Green · Wired · 2023Good
Rapid Trigger45
Switch70
Connection70
Recency77
Verdict
Cooler Master SK621 and Razer BlackWidow V4 Pro are neck and neck on specs: gear scores 63 and 61.
- Cooler Master SK621 is wireless; Razer BlackWidow V4 Pro is wired.
Pick this
Cooler Master SK621
If you care most about connection.
Spec-by-spec comparison
| Cooler Master SK621 | Razer BlackWidow V4 Pro | |
|---|---|---|
| 63 | Gear score | 61 |
| TKL | Size | Full-size |
| Cherry MX Low Profile Red | Switch | Razer Green |
| Wireless | Connection | Wired |
| — | Release year | 2023 |
| — | Estimated price | ≈ $250 |
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 Pro better?
Cooler Master SK621 and Razer BlackWidow V4 Pro are neck and neck on specs: gear scores 63 and 61. Cooler Master SK621 is wireless; Razer BlackWidow V4 Pro is wired.
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