Logitech - PRO X TKL RAPID vs Razer - BlackWidow V4 Pro
Between the PRO X TKL RAPID and BlackWidow V4 Pro, the PRO X TKL RAPID comes out ahead in several specs, while the BlackWidow V4 Pro wins on rotary knob / size. Overall, the PRO X TKL RAPID scores 95 and the BlackWidow V4 Pro scores 95 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.
The PRO X TKL RAPID does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the BlackWidow V4 Pro if you care most about rotary knob / size. Its strongest claims are rotary knob, size.
Both ship with comparable hot-swappable, wireless, polling rate, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Why Logitech - PRO X TKL RAPID wins
- No decisive advantages.
Why Razer - BlackWidow V4 Pro wins
- ▲Has Rotary knob.
- ▲Size: Full (vs TKL).
Spec comparison
Switches
| Spec | Logitech - PRO X TKL RAPID | Razer - BlackWidow V4 Pro |
|---|---|---|
| Switch type | GX Optical Linear Hall-effect | Razer Green |
| Hot-swappable | false | false |
Layout & Build
| Spec | Logitech - PRO X TKL RAPID | Razer - BlackWidow V4 Pro |
|---|---|---|
| Size | TKL | Fulllead |
| RGB | true | true |
| Rotary knob | false | truelead |
| Case material | Aluminum | Aluminum |
Connectivity
| Spec | Logitech - PRO X TKL RAPID | Razer - BlackWidow V4 Pro |
|---|---|---|
| Wireless | false | false |
| 2.4 GHz | false | false |
| Battery | 0 h | 0 h |
| Polling rate | 8000 Hz | 8000 Hz |
Spec-level deep dives
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