Between the ULX and Thorn, the ULX comes out ahead in battery and weight, while the Thorn wins on max dpi. Overall, the ULX scores 81.5 and the Thorn scores 79.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (81.5 vs 79.9). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
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 battery, weight.
Pick the Thorn if you care most about max dpi. Its strongest claims are max dpi.
Both ship with comparable polling rate, wireless, 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 Finalmouse - ULX wins
- ▲Battery — 25.00% more. 100 h vs 80 h.
- ▲Weight — 13.00 g less. 39 vs 52.
Why Lamzu - Thorn wins
- ▲Max DPI — 15.38% more. 30000 vs 26000.
Spec comparison
Sensor
| Spec | Finalmouse - ULX | Lamzu - Thorn |
|---|---|---|
| Max DPI | 26000 | 30000lead |
| Max IPS | 650 | 750lead |
| Polling rate | 4000 Hz | 4000 Hz |
Design
| Spec | Finalmouse - ULX | Lamzu - Thorn |
|---|---|---|
| Weight | 39 glead | 52 g |
| Buttons | 6 | 6 |
| Shape | Symmetrical | Symmetrical |
Connectivity
| Spec | Finalmouse - ULX | Lamzu - Thorn |
|---|---|---|
| Wireless | true | true |
| Battery | 100 hlead | 80 h |
Frequently asked
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.