Welcome to the community! 
How did you set up your system for gaming? We have a guide here on the forum that works for many. Linux gaming [Guide]
As for information we may need, please run and post the output of:
inxi -FGA
Welcome to the community!
How did you set up your system for gaming? We have a guide here on the forum that works for many. Linux gaming [Guide]
As for information we may need, please run and post the output of:
inxi -FGA