Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Glorious - GMMK 3 Pro | NuPhy - Air75 V2 |
|---|---|---|
| Polling rate | 8000 Hz | 1000 Hz |
| Rotary knob | true | false |
Between the GMMK 3 Pro and Air75 V2, the GMMK 3 Pro comes out ahead in polling rate / rotary knob, while the Air75 V2 wins on several specs. Overall, the GMMK 3 Pro scores 95 and the Air75 V2 scores 64.5 on our Mars Score.
Which should you buy?
The GMMK 3 Pro is the clear pick on raw spec strength, leading by 30.5 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 polling rate / rotary knob. The biggest gaps in its favor are polling rate, rotary knob. The single most decisive one: Polling rate — 700.00% more. 8000 Hz vs 1000 Hz.
The Air75 V2 similarly does not 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 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 NuPhy - Air75 V2?
Glorious - GMMK 3 Pro leads the current Mars Score by 30.5 points.The more useful decision is the trade-off behind that result: compare the highlighted specifications against the way you will actually use the product.
Choose Glorious - GMMK 3 Pro if…
Glorious - GMMK 3 Pro has the measurable edge on polling rate hz, has knob.
Choose NuPhy - Air75 V2 if…
NuPhy - Air75 V2 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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
- ▲Polling rate — 700.00% more. 8000 Hz vs 1000 Hz.
- ▲Has Rotary knob.
Why NuPhy - Air75 V2 wins
- No decisive advantages.
Spec comparison
Switches
| Spec | Glorious - GMMK 3 Pro | NuPhy - Air75 V2 |
|---|---|---|
| Switch type | Glorious Fox | Gateron Low-profile |
| Hot-swappable | true | true |
Layout & Build
| Spec | Glorious - GMMK 3 Pro | NuPhy - Air75 V2 |
|---|---|---|
| Size | 75% | 75% |
| RGB | true | true |
| Rotary knob | truelead | false |
| Case material | Aluminum | Aluminum + Plastic |
Connectivity
| Spec | Glorious - GMMK 3 Pro | NuPhy - Air75 V2 |
|---|---|---|
| Wireless | true | true |
| 2.4 GHz | true | true |
| Battery | 150 hlead | 120 h |
| Polling rate | 8000 Hzlead | 1000 Hz |