Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Endgame Gear - OP1 8K | Razer - Viper V3 Pro |
|---|---|---|
| Max DPI | 26000 | 35000 |
| Weight | 50 g | 54 g |
| Wireless | false | true |
| Battery | 0 h | 95 h |
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 / wireless. Overall, the OP1 8K scores 75.8 and the Viper V3 Pro scores 77.6 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (75.8 vs 77.6). The decision is not about overall quality — both clear the bar — it is 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. The single most decisive one: Weight — 4.00 g less. 50 vs 54.
Pick the Viper V3 Pro if you care most about max dpi / wireless. Its strongest claims are max dpi, wireless, battery. The single most decisive one: Max DPI — 34.62% more. 35000 vs 26000.
Both ship with comparable polling rate, buttons, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Endgame Gear - OP1 8K or Razer - Viper V3 Pro?
Razer - Viper V3 Pro leads the current Mars Score by 1.8 points.The more useful decision is the trade-off behind that result: compare max dpi, weight, wireless against the way you will actually use the product.
Choose Endgame Gear - OP1 8K if…
Endgame Gear - OP1 8K has the measurable edge on weight g.
Choose Razer - Viper V3 Pro if…
Razer - Viper V3 Pro has the measurable edge on max dpi, is wireless, 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 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 |