Between the OP1 8K and Viper V3 Pro, the OP1 8K comes out ahead in weight, while the Viper V3 Pro wins on max dpi and wireless. Overall, the OP1 8K scores 87.2 and the Viper V3 Pro scores 88.8 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (87.2 vs 88.8). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the OP1 8K if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight.
Pick the Viper V3 Pro if you care most about max dpi and wireless. Its strongest claims are max dpi, wireless, battery.
Both ship with comparable polling rate, buttons, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Endgame Gear - OP1 8K wins
- ▲Weight — 4.00 g less. 50 vs 54.
Why Razer - Viper V3 Pro wins
- ▲Max DPI — 34.62% more. 35000 vs 26000.
- ▲Wireless: true (vs false).
- ▲Battery: 95 h vs 0 h.
Spec comparison
Sensor
| Spec | Endgame Gear - OP1 8K | Razer - Viper V3 Pro |
|---|---|---|
| Max DPI | 26000 | 35000lead |
| Max IPS | 650 | 750lead |
| Polling rate | 8000 Hz | 8000 Hz |
Design
| Spec | Endgame Gear - OP1 8K | Razer - Viper V3 Pro |
|---|---|---|
| Weight | 50 glead | 54 g |
| Buttons | 6 | 6 |
| Shape | Symmetrical | Symmetrical |
Connectivity
| Spec | Endgame Gear - OP1 8K | Razer - Viper V3 Pro |
|---|---|---|
| Wireless | false | truelead |
| Battery | 0 h | 95 hlead |
Frequently asked
Spec-level deep dives
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