After one month the Asus team with the above person as a representative replied to me that they investigated and tested and concluded it's normal, it's how is supposed to be. So I guess all Asus products have gradient banding, and they're ok with it.

Armory Crate is latest version 5.6.3.0 dGPU is GeForce RTX 3060 laptoplatest drivers version 535.98 simple example of the banding fx (see right side), everywhere there's a gradient is like that, linear gradients, radial gradients, etc. EDIT: actuall...