Between the G309 Lightspeed and X2V3, the G309 Lightspeed comes out ahead in battery, while the X2V3 wins on polling rate and max dpi. Overall, the G309 Lightspeed scores 68.2 and the X2V3 scores 87.8 on our Mars Score.
Which should you buy?
The X2V3 is the clear pick on raw spec strength, leading by 19.6 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 care most about battery. The biggest gaps in its favor are battery.
Pick the X2V3 if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are polling rate, max dpi, weight.
Both ship with comparable wireless, buttons, so those specs don't separate the two — focus on the differences below.
Bottom line: the X2V3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Logitech - G309 Lightspeed wins
- ▲Battery — 150.00% more. 300 h vs 120 h.
Why Pulsar - X2V3 wins
- ▲Polling rate — 700.00% more. 8000 Hz vs 1000 Hz.
- ▲Max DPI — 25.00% more. 32000 vs 25600.
- ▲Weight — 13.00 g less. 55 vs 68.
Spec comparison
Sensor
| Spec | Logitech - G309 Lightspeed | Pulsar - X2V3 |
|---|---|---|
| Max DPI | 25600 | 32000lead |
| Max IPS | 400 | 750lead |
| Polling rate | 1000 Hz | 8000 Hzlead |
Design
| Spec | Logitech - G309 Lightspeed | Pulsar - X2V3 |
|---|---|---|
| Weight | 68 g | 55 glead |
| Buttons | 6 | 6 |
| Shape | Right-handed | Symmetrical |
Connectivity
| Spec | Logitech - G309 Lightspeed | Pulsar - X2V3 |
|---|---|---|
| Wireless | true | true |
| Battery | 300 hlead | 120 h |
Frequently asked
Spec-level deep dives
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