Found this solution on a reddit thread and it has worked so far for me, hope you all have similar luck. Touchpad not lagging at all now.go to Device manager, under Human Interface Devices find "Asus precision touchpad" and right-click it. click upd...
I just bought a new TUF A15 Gaming TUF506II with rayzen 7 and i'm having the same exact issues. Updated the bios and tried updating all the drivers and still lagging. It's super annoying, laptop otherwise is performing well.