Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Keychron - Q1 Max | NuPhy - Air75 V2 |
|---|---|---|
| Rotary knob | true | false |
Between the Q1 Max and Air75 V2, the Q1 Max comes out ahead in rotary knob, while the Air75 V2 wins on several specs. Overall, the Q1 Max scores 81.1 and the Air75 V2 scores 64.5 on our Mars Score.
Which should you buy?
The Q1 Max is the clear pick on raw spec strength, leading by 16.6 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 Q1 Max if you care most about rotary knob. The biggest gaps in its favor are rotary knob. The single most decisive one: Has Rotary knob.
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 Q1 Max 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: Keychron - Q1 Max or NuPhy - Air75 V2?
Keychron - Q1 Max leads the current Mars Score by 16.6 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 Keychron - Q1 Max if…
Keychron - Q1 Max has the measurable edge on 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 Keychron - Q1 Max wins
- ▲Has Rotary knob.
Why NuPhy - Air75 V2 wins
- No decisive advantages.
Spec comparison
Switches
| Spec | Keychron - Q1 Max | NuPhy - Air75 V2 |
|---|---|---|
| Switch type | Gateron Jupiter | Gateron Low-profile |
| Hot-swappable | true | true |
Layout & Build
| Spec | Keychron - Q1 Max | NuPhy - Air75 V2 |
|---|---|---|
| Size | 75% | 75% |
| RGB | true | true |
| Rotary knob | truelead | false |
| Case material | Aluminum | Aluminum + Plastic |
Connectivity
| Spec | Keychron - Q1 Max | NuPhy - Air75 V2 |
|---|---|---|
| Wireless | true | true |
| 2.4 GHz | true | true |
| Battery | 100 h | 120 hlead |
| Polling rate | 1000 Hz | 1000 Hz |