Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Glorious - GMMK 3 Pro | Razer - BlackWidow V4 Pro |
|---|---|---|
| Hot-swappable | true | false |
| Wireless | true | false |
| Size | 75% | Full |
Between the GMMK 3 Pro and BlackWidow V4 Pro, the GMMK 3 Pro comes out ahead in hot-swappable / wireless, while the BlackWidow V4 Pro wins on size. Overall, the GMMK 3 Pro scores 95 and the BlackWidow V4 Pro scores 73.9 on our Mars Score.
Which should you buy?
The GMMK 3 Pro is the clear pick on raw spec strength, leading by 21.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the GMMK 3 Pro if you care most about hot-swappable / wireless. The biggest gaps in its favor are hot-swappable, wireless. The single most decisive one: Has Hot-swappable.
Pick the BlackWidow V4 Pro if you care most about size. Its strongest claims are size. The single most decisive one: Size: Full (vs 75%).
Both ship with comparable polling rate, rotary knob, so those specs do not separate the two — focus on the differences below.
Bottom line: the GMMK 3 Pro is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Glorious - GMMK 3 Pro or Razer - BlackWidow V4 Pro?
Glorious - GMMK 3 Pro leads the current Mars Score by 21.1 points.The more useful decision is the trade-off behind that result: compare size, wireless, hot-swappable against the way you will actually use the product.
Choose Glorious - GMMK 3 Pro if…
Glorious - GMMK 3 Pro has the measurable edge on is hot swap, is wireless.
Choose Razer - BlackWidow V4 Pro if…
Razer - BlackWidow V4 Pro has the measurable edge on size.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Glorious - GMMK 3 Pro wins
- ▲Has Hot-swappable.
- ▲Wireless: true (vs false).
Why Razer - BlackWidow V4 Pro wins
- ▲Size: Full (vs 75%).
Spec comparison
Switches
| Spec | Glorious - GMMK 3 Pro | Razer - BlackWidow V4 Pro |
|---|---|---|
| Switch type | Glorious Fox | Razer Green |
| Hot-swappable | truelead | false |
Layout & Build
| Spec | Glorious - GMMK 3 Pro | Razer - BlackWidow V4 Pro |
|---|---|---|
| Size | 75% | Fulllead |
| RGB | true | true |
| Rotary knob | true | true |
| Case material | Aluminum | Aluminum |
Connectivity
| Spec | Glorious - GMMK 3 Pro | Razer - BlackWidow V4 Pro |
|---|---|---|
| Wireless | truelead | false |
| 2.4 GHz | truelead | false |
| Battery | 150 hlead | 0 h |
| Polling rate | 8000 Hz | 8000 Hz |