Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Glorious - Model O 2 Pro | Razer - Viper V3 Pro |
|---|---|---|
| Polling rate | 4000 Hz | 8000 Hz |
| Max DPI | 26000 | 35000 |
| Battery | 80 h | 95 h |
| Weight | 57 g | 54 g |
Between the Model O 2 Pro and Viper V3 Pro, the Model O 2 Pro comes out ahead in several specs, while the Viper V3 Pro wins on polling rate / max dpi. Overall, the Model O 2 Pro scores 68.6 and the Viper V3 Pro scores 77.6 on our Mars Score.
Which should you buy?
The Viper V3 Pro is the clear pick on raw spec strength, leading by 9.0 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.
The Model O 2 Pro does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the Viper V3 Pro if you care most about polling rate / max dpi. Its strongest claims are polling rate, max dpi, battery, among others. The single most decisive one: Polling rate — 100.00% more. 8000 Hz vs 4000 Hz.
Both ship with comparable wireless, buttons, so those specs do not separate the two — focus on the differences below.
Bottom line: the Viper V3 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 - Model O 2 Pro or Razer - Viper V3 Pro?
Razer - Viper V3 Pro leads the current Mars Score by 9.0 points.The more useful decision is the trade-off behind that result: compare max dpi, polling rate, weight against the way you will actually use the product.
Choose Glorious - Model O 2 Pro if…
Glorious - Model O 2 Pro does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Razer - Viper V3 Pro if…
Razer - Viper V3 Pro has the measurable edge on polling rate hz, max dpi, battery h.
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 - Model O 2 Pro wins
- No decisive advantages.
Why Razer - Viper V3 Pro wins
- ▲Polling rate — 100.00% more. 8000 Hz vs 4000 Hz.
- ▲Max DPI — 34.62% more. 35000 vs 26000.
- ▲Battery — 18.75% more. 95 h vs 80 h.
- ▲Weight — 3.00 g less. 54 vs 57.
Spec comparison
Sensor
| Spec | Glorious - Model O 2 Pro | Razer - Viper V3 Pro |
|---|---|---|
| Max DPI | 26000 | 35000lead |
| Max IPS | 650 | 750lead |
| Polling rate | 4000 Hz | 8000 Hzlead |
Design
| Spec | Glorious - Model O 2 Pro | Razer - Viper V3 Pro |
|---|---|---|
| Weight | 57 g | 54 glead |
| Buttons | 6 | 6 |
| Shape | Symmetrical | Symmetrical |
Connectivity
| Spec | Glorious - Model O 2 Pro | Razer - Viper V3 Pro |
|---|---|---|
| Wireless | true | true |
| Battery | 80 h | 95 hlead |