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 and max dpi. Overall, the Model O 2 Pro scores 77.4 and the Viper V3 Pro scores 88.8 on our Mars Score.
Which should you buy?
The Viper V3 Pro is the clear pick on raw spec strength, leading by 11.4 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 doesn't 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 and max dpi. Its strongest claims are polling rate, max dpi, battery, among others.
Both ship with comparable wireless, buttons, so those specs don't 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.
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 |
Frequently asked
Spec-level deep dives
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