Okay, Blender 3.0 does not have tile size and it shows different
I also have a lot of noise when it plays
Help
Tile Size is here:
But I wouldn't change that, when rendering on GPU.
Also read the answers to this question:
https://cgcookie.com/questions/15396-sampling-render-is-located-where-now
Then ask again if there is something else you can't get to work.