Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Lamzu - Thorn | Logitech - G309 Lightspeed |
|---|---|---|
| Polling rate | 4000 Hz | 1000 Hz |
| Battery | 80 h | 300 h |
| Max DPI | 30000 | 25600 |
| Weight | 52 g | 68 g |
Between the Thorn and G309 Lightspeed, the Thorn comes out ahead in polling rate / max dpi, while the G309 Lightspeed wins on battery. Overall, the Thorn scores 70.5 and the G309 Lightspeed scores 63.1 on our Mars Score.
Which should you buy?
The Thorn edges ahead on the Mars Score (70.5 vs 63.1), but the 7.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
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, max dpi, weight. The single most decisive one: Polling rate — 300.00% more. 4000 Hz vs 1000 Hz.
Pick the G309 Lightspeed if you care most about battery. Its strongest claims are battery. The single most decisive one: Battery — 275.00% more. 300 h vs 80 h.
Both ship with comparable wireless, buttons, 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 Logitech - G309 Lightspeed?
Lamzu - Thorn leads the current Mars Score by 7.4 points.The more useful decision is the trade-off behind that result: compare max dpi, 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, max dpi, weight g.
Choose Logitech - G309 Lightspeed if…
Logitech - G309 Lightspeed has the measurable edge on 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 Lamzu - Thorn wins
- ▲Polling rate — 300.00% more. 4000 Hz vs 1000 Hz.
- ▲Max DPI — 17.19% more. 30000 vs 25600.
- ▲Weight — 16.00 g less. 52 vs 68.
Why Logitech - G309 Lightspeed wins
- ▲Battery — 275.00% more. 300 h vs 80 h.
Spec comparison
Sensor
| Spec | Lamzu - Thorn | Logitech - G309 Lightspeed |
|---|---|---|
| Max DPI | 30000lead | 25600 |
| Max IPS | 750lead | 400 |
| Polling rate | 4000 Hzlead | 1000 Hz |
Design
| Spec | Lamzu - Thorn | Logitech - G309 Lightspeed |
|---|---|---|
| Weight | 52 glead | 68 g |
| Buttons | 6 | 6 |
| Shape | Symmetrical | Right-handed |
Connectivity
| Spec | Lamzu - Thorn | Logitech - G309 Lightspeed |
|---|---|---|
| Wireless | true | true |
| Battery | 80 h | 300 hlead |