I recently built a new pc and since I switched from Windows to Lunux (Kubuntu) I got an amd gpu (6700 XT). Because people told me it is less of a hassle than Nvidia. It works fine out of the box, but the choice of drivers confuse me. For gaming is the default amdgpu good enough? Is amdgpu-pro the same as the official Radeon drivers from amd? Are they better for gaming? Is Mesa yet another driver or something in addition to a driver? Why are there no settings/gui anywhere (using the default amdgpu)?
AMD just doesn’t have any official gui setting software on Linux
third party tools like CoreCtrl will help you with some settings like overclocking, undervolting, etc. and for basic settings your desktop environment of choice already give you control over resolution/framerate/gamma/whatever
for an ingame overlay and fps limiting take a look at mangohudthere is also a lot of confusion because there are different software names for kernel driver (i.e. amdgpu) and userspace driver (i.e. Mesa) with additional varieties on top like vulkan-radeon and amdvlk (which is included in amdgpu-pro and typically worse)
luckily most people don’t really need to care about that since most linux distro already give you the best gaming choice out of the box and updating your system will also update your amd driver