Not sure about gnome and kde, but for window managers, you need a compositing manager. In my experience, compton eliminates tearing. I think you can just start compton in an X11 session to try it out.
@Flakebi@nrj I tried running the compton command but it didn’t fix the tearing. I also tried adding this to my config and restarting the xserver but the tearing was still there: