Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Lamzu - Thorn | Razer - Cobra Pro |
|---|---|---|
| Polling rate | 4000 Hz | 1000 Hz |
| Battery | 80 h | 170 h |
| Weight | 52 g | 77 g |
| Buttons | 6 | 10 |
Between the Thorn and Cobra Pro, the Thorn comes out ahead in polling rate / weight, while the Cobra Pro wins on battery / buttons. Overall, the Thorn scores 70.5 and the Cobra Pro scores 61.5 on our Mars Score.
Which should you buy?
The Thorn is the clear pick on raw spec strength, leading by 9.0 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Thorn if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are polling rate, weight. The single most decisive one: Polling rate — 300.00% more. 4000 Hz vs 1000 Hz.
Pick the Cobra Pro if you care most about battery / buttons. Its strongest claims are battery, buttons. The single most decisive one: Battery — 112.50% more. 170 h vs 80 h.
Both ship with comparable max dpi, wireless, so those specs do not separate the two — focus on the differences below.
Bottom line: the Thorn 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: Lamzu - Thorn or Razer - Cobra Pro?
Lamzu - Thorn leads the current Mars Score by 9.0 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 Lamzu - Thorn if…
Lamzu - Thorn has the measurable edge on polling rate hz, weight g.
Choose Razer - Cobra Pro if…
Razer - Cobra Pro has the measurable edge on battery h, button count.
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 Lamzu - Thorn wins
- ▲Polling rate — 300.00% more. 4000 Hz vs 1000 Hz.
- ▲Weight — 25.00 g less. 52 vs 77.
Why Razer - Cobra Pro wins
- ▲Battery — 112.50% more. 170 h vs 80 h.
- ▲Buttons — 4.00 more. 10 vs 6.
Spec comparison
Sensor
| Spec | Lamzu - Thorn | Razer - Cobra Pro |
|---|---|---|
| Max DPI | 30000 | 30000 |
| Max IPS | 750 | 750 |
| Polling rate | 4000 Hzlead | 1000 Hz |
Design
| Spec | Lamzu - Thorn | Razer - Cobra Pro |
|---|---|---|
| Weight | 52 glead | 77 g |
| Buttons | 6 | 10lead |
| Shape | Symmetrical | Symmetrical |
Connectivity
| Spec | Lamzu - Thorn | Razer - Cobra Pro |
|---|---|---|
| Wireless | true | true |
| Battery | 80 h | 170 hlead |