GM 8.0 Releasing force 25gf (min), Operating force 65±10gf, Conduction itinerary 0.3 ± 0.2 mm, Touch feeling 25%. Gold plated contacts.
GM 4.0 Releasing force 25gf (min), Operating force 70±10gf, Conduction itinerary 0.3 mm, Touch feeling 25%. Not silent micro switch. No double click.
GM 8.0 with 80000000 cycles. GM 4.0 with 60000000 cycles
No double click.
Not silent micro switch.