Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | HyperX - Alloy Rise | NuPhy - Air75 V2 |
|---|---|---|
| Polling rate | 8000 Hz | 1000 Hz |
| Size | Full-size | 75% |
| Wireless | false | true |
Between the Alloy Rise and Air75 V2, the Alloy Rise comes out ahead in polling rate / size, while the Air75 V2 wins on wireless. Overall, the Alloy Rise scores 79.3 and the Air75 V2 scores 64.5 on our Mars Score.
Which should you buy?
The Alloy Rise is the clear pick on raw spec strength, leading by 14.8 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 Alloy Rise if you care most about polling rate / size. The biggest gaps in its favor are polling rate, size. The single most decisive one: Polling rate — 700.00% more. 8000 Hz vs 1000 Hz.
Pick the Air75 V2 if you care most about wireless. Its strongest claims are wireless. The single most decisive one: Wireless: true (vs false).
Both ship with comparable hot-swappable, rotary knob, so those specs do not separate the two — focus on the differences below.
Bottom line: the Alloy Rise 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: HyperX - Alloy Rise or NuPhy - Air75 V2?
HyperX - Alloy Rise leads the current Mars Score by 14.8 points.The more useful decision is the trade-off behind that result: compare size, wireless against the way you will actually use the product.
Choose HyperX - Alloy Rise if…
HyperX - Alloy Rise has the measurable edge on polling rate hz, size.
Choose NuPhy - Air75 V2 if…
NuPhy - Air75 V2 has the measurable edge on is wireless.
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 HyperX - Alloy Rise wins
- ▲Polling rate — 700.00% more. 8000 Hz vs 1000 Hz.
- ▲Size: Full-size (vs 75%).
Why NuPhy - Air75 V2 wins
- ▲Wireless: true (vs false).
Spec comparison
Switches
| Spec | HyperX - Alloy Rise | NuPhy - Air75 V2 |
|---|---|---|
| Switch type | HyperX Linear | Gateron Low-profile |
| Hot-swappable | true | true |
Layout & Build
| Spec | HyperX - Alloy Rise | NuPhy - Air75 V2 |
|---|---|---|
| Size | Full-sizelead | 75% |
| RGB | true | true |
| Rotary knob | false | false |
| Case material | Aluminum | Aluminum + Plastic |
Connectivity
| Spec | HyperX - Alloy Rise | NuPhy - Air75 V2 |
|---|---|---|
| Wireless | false | truelead |
| 2.4 GHz | false | truelead |
| Battery | 0 h | 120 hlead |
| Polling rate | 8000 Hzlead | 1000 Hz |