Logitech G309 Lightspeed Black

Advantages

• ✓G309 provides Bluetooth connectivity and POWERPLAY support, which G305 lacks
• ✓G309’s LIGHTFORCE hybrid switches give a crisper tactile feel than G305’s mechanical switches

Disadvantages

• ✗G309 is heavier with battery (86 g) compared to G305’s ~99 g without battery but lighter than G305 with its AA battery installed
• ✗G309’s polling rate remains at 1000 Hz, same as G305, while some competitors offer higher rates

Advantages

• ✓G309’s dual‑mode (LIGHTSPEED + Bluetooth) offers more connectivity options than Viper V3’s single HyperSpeed link
• ✓G309’s HERO 25K sensor provides comparable accuracy with a lower price point

Disadvantages

• ✗Viper V3’s 8000 Hz polling rate outperforms G309’s 1000 Hz, delivering faster response times
• ✗Viper V3 is slightly lighter (82 g) and does not require a battery for operation

Advantages

• ✓G309 offers far longer battery life (300+ hrs) compared to Finalmouse’s 50‑100 hrs
• ✓G309 includes a full set of side buttons and a more ergonomic shape for varied grip styles

Disadvantages

• ✗Finalmouse’s ultralight chassis (≈45 g) is significantly lighter than G309 even on POWERPLAY
• ✗Finalmouse lacks Bluetooth and POWERPLAY support, limiting connectivity flexibility