Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Glorious - GMMK 3 Pro | Keychron - K2 Max |
|---|---|---|
| Polling rate | 8000 Hz | 1000 Hz |
| Rotary knob | true | false |
Between the GMMK 3 Pro and K2 Max, the GMMK 3 Pro comes out ahead in polling rate / rotary knob, while the K2 Max wins on several specs. Overall, the GMMK 3 Pro scores 95 and the K2 Max 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 K2 Max 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 Keychron - K2 Max?
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 Keychron - K2 Max if…
Keychron - K2 Max 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 Keychron - K2 Max wins
- No decisive advantages.
Spec comparison
Switches
| Spec | Glorious - GMMK 3 Pro | Keychron - K2 Max |
|---|---|---|
| Switch type | Glorious Fox | Gateron G Pro |
| Hot-swappable | true | true |
Layout & Build
| Spec | Glorious - GMMK 3 Pro | Keychron - K2 Max |
|---|---|---|
| Size | 75% | 75% |
| RGB | true | true |
| Rotary knob | truelead | false |
| Case material | Aluminum | Plastic |
Connectivity
| Spec | Glorious - GMMK 3 Pro | Keychron - K2 Max |
|---|---|---|
| Wireless | true | true |
| 2.4 GHz | true | true |
| Battery | 150 hlead | 100 h |
| Polling rate | 8000 Hzlead | 1000 Hz |