Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Razer - Cobra Pro | Razer - DeathAdder V3 Pro |
|---|---|---|
| Polling rate | 1000 Hz | 4000 Hz |
| Battery | 170 h | 90 h |
| Weight | 77 g | 63 g |
| Buttons | 10 | 5 |
Between the Cobra Pro and DeathAdder V3 Pro, the Cobra Pro comes out ahead in battery / buttons, while the DeathAdder V3 Pro wins on polling rate / weight. Overall, the Cobra Pro scores 61.5 and the DeathAdder V3 Pro scores 68.5 on our Mars Score.
Which should you buy?
The DeathAdder V3 Pro edges ahead on the Mars Score (61.5 vs 68.5), but the 7.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Cobra Pro if you care most about battery / buttons. The biggest gaps in its favor are battery, buttons. The single most decisive one: Battery — 88.89% more. 170 h vs 90 h.
Pick the DeathAdder V3 Pro if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are polling rate, weight. The single most decisive one: Polling rate — 300.00% more. 4000 Hz vs 1000 Hz.
Both ship with comparable max dpi, wireless, so those specs do not separate the two — focus on the differences below.
Bottom line: the DeathAdder 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: Razer - Cobra Pro or Razer - DeathAdder V3 Pro?
Razer - DeathAdder V3 Pro leads the current Mars Score by 7.0 points.The more useful decision is the trade-off behind that result: compare polling rate, weight against the way you will actually use the product.
Choose Razer - Cobra Pro if…
Razer - Cobra Pro has the measurable edge on battery h, button count.
Choose Razer - DeathAdder V3 Pro if…
Razer - DeathAdder V3 Pro has the measurable edge on polling rate hz, weight g.
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 Razer - Cobra Pro wins
- ▲Battery — 88.89% more. 170 h vs 90 h.
- ▲Buttons — 5.00 more. 10 vs 5.
Why Razer - DeathAdder V3 Pro wins
- ▲Polling rate — 300.00% more. 4000 Hz vs 1000 Hz.
- ▲Weight — 14.00 g less. 63 vs 77.
Spec comparison
Sensor
| Spec | Razer - Cobra Pro | Razer - DeathAdder V3 Pro |
|---|---|---|
| Max DPI | 30000 | 30000 |
| Max IPS | 750 | 750 |
| Polling rate | 1000 Hz | 4000 Hzlead |
Design
| Spec | Razer - Cobra Pro | Razer - DeathAdder V3 Pro |
|---|---|---|
| Weight | 77 g | 63 glead |
| Buttons | 10lead | 5 |
| Shape | Symmetrical | Right-handed |
Connectivity
| Spec | Razer - Cobra Pro | Razer - DeathAdder V3 Pro |
|---|---|---|
| Wireless | true | true |
| Battery | 170 hlead | 90 h |