Between the K70 MAX and BlackWidow V4 Pro, the K70 MAX comes out ahead in several specs, while the BlackWidow V4 Pro wins on several specs. Overall, the K70 MAX 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, with the decision sitting on which individual spec advantages weigh more for your use.
The K70 MAX doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
The BlackWidow V4 Pro similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable size, hot-swappable, wireless, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Corsair - K70 MAX wins
- No decisive advantages.
Why Razer - BlackWidow V4 Pro wins
- No decisive advantages.
Spec comparison
Switches
| Spec | Corsair - K70 MAX | Razer - BlackWidow V4 Pro |
|---|---|---|
| Switch type | MGX Magnetic | Razer Green |
| Hot-swappable | false | false |
Layout & Build
| Spec | Corsair - K70 MAX | Razer - BlackWidow V4 Pro |
|---|---|---|
| Size | Full | Full |
| RGB | true | true |
| Rotary knob | true | true |
| Case material | Aluminum | Aluminum |
Connectivity
| Spec | Corsair - K70 MAX | Razer - BlackWidow V4 Pro |
|---|---|---|
| Wireless | false | false |
| 2.4 GHz | false | false |
| Battery | 0 h | 0 h |
| Polling rate | 8000 Hz | 8000 Hz |
Frequently asked
Spec-level deep dives
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