Between the ULX and DeathAdder V3 Pro, the ULX comes out ahead in weight and battery, while the DeathAdder V3 Pro wins on max dpi. Overall, the ULX scores 81.5 and the DeathAdder V3 Pro scores 77.3 on our Mars Score.
Which should you buy?
The ULX edges ahead on the Mars Score (81.5 vs 77.3), but the 4.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the ULX if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight, battery, buttons.
Pick the DeathAdder V3 Pro if you care most about max dpi. Its strongest claims are max dpi.
Both ship with comparable polling rate, wireless, 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 Finalmouse - ULX wins
- ▲Weight — 24.00 g less. 39 vs 63.
- ▲Battery — 11.11% more. 100 h vs 90 h.
- ▲Buttons — 1.00 more. 6 vs 5.
Why Razer - DeathAdder V3 Pro wins
- ▲Max DPI — 15.38% more. 30000 vs 26000.
Spec comparison
Sensor
| Spec | Finalmouse - ULX | Razer - DeathAdder V3 Pro |
|---|---|---|
| Max DPI | 26000 | 30000lead |
| Max IPS | 650 | 750lead |
| Polling rate | 4000 Hz | 4000 Hz |
Design
| Spec | Finalmouse - ULX | Razer - DeathAdder V3 Pro |
|---|---|---|
| Weight | 39 glead | 63 g |
| Buttons | 6lead | 5 |
| Shape | Symmetrical | Right-handed |
Connectivity
| Spec | Finalmouse - ULX | Razer - DeathAdder V3 Pro |
|---|---|---|
| Wireless | true | true |
| Battery | 100 hlead | 90 h |
Frequently asked
Spec-level deep dives
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