Logitech - G309 Lightspeed vs Razer - Basilisk V3 Pro
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Logitech - G309 Lightspeed | Razer - Basilisk V3 Pro |
|---|---|---|
| Battery | 300 h | 90 h |
| Weight | 68 g | 112 g |
| Max DPI | 25600 | 30000 |
| Buttons | 6 | 11 |
Between the G309 Lightspeed and Basilisk V3 Pro, the G309 Lightspeed comes out ahead in battery / weight, while the Basilisk V3 Pro wins on max dpi / buttons. Overall, the G309 Lightspeed scores 63.1 and the Basilisk V3 Pro scores 53.8 on our Mars Score.
Which should you buy?
The G309 Lightspeed is the clear pick on raw spec strength, leading by 9.3 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 G309 Lightspeed 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. The single most decisive one: Battery — 233.33% more. 300 h vs 90 h.
Pick the Basilisk V3 Pro if you care most about max dpi / buttons. Its strongest claims are max dpi, buttons. The single most decisive one: Max DPI — 17.19% more. 30000 vs 25600.
Both ship with comparable polling rate, wireless, so those specs do not separate the two — focus on the differences below.
Bottom line: the G309 Lightspeed 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: Logitech - G309 Lightspeed or Razer - Basilisk V3 Pro?
Logitech - G309 Lightspeed leads the current Mars Score by 9.3 points.The more useful decision is the trade-off behind that result: compare max dpi, weight against the way you will actually use the product.
Choose Logitech - G309 Lightspeed if…
Logitech - G309 Lightspeed has the measurable edge on battery h, weight g.
Choose Razer - Basilisk V3 Pro if…
Razer - Basilisk V3 Pro has the measurable edge on max dpi, 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 Logitech - G309 Lightspeed wins
- ▲Battery — 233.33% more. 300 h vs 90 h.
- ▲Weight — 44.00 g less. 68 vs 112.
Why Razer - Basilisk V3 Pro wins
- ▲Max DPI — 17.19% more. 30000 vs 25600.
- ▲Buttons — 5.00 more. 11 vs 6.
Spec comparison
Sensor
| Spec | Logitech - G309 Lightspeed | Razer - Basilisk V3 Pro |
|---|---|---|
| Max DPI | 25600 | 30000lead |
| Max IPS | 400 | 750lead |
| Polling rate | 1000 Hz | 1000 Hz |
Design
| Spec | Logitech - G309 Lightspeed | Razer - Basilisk V3 Pro |
|---|---|---|
| Weight | 68 glead | 112 g |
| Buttons | 6 | 11lead |
| Shape | Right-handed | Right-handed |
Connectivity
| Spec | Logitech - G309 Lightspeed | Razer - Basilisk V3 Pro |
|---|---|---|
| Wireless | true | true |
| Battery | 300 hlead | 90 h |