Logitech - G Pro X Superlight 2 vs Logitech - G309 Lightspeed

The G Pro X Superlight 2 edges ahead on the Mars Score (66.3 vs 63.1), but the 3.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the G Pro X Superlight 2 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 — 100.00% more. 2000 Hz vs 1000 Hz.

Pick the G309 Lightspeed if you care most about battery / buttons. Its strongest claims are battery, buttons. The single most decisive one: Battery — 215.79% more. 300 h vs 95 h.

Both ship with comparable wireless, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.