We compare Batman Arkham Knight on PC PS4 and Xbox One. PC is set to maximum settings with 60fps enabled in the config.ini. The PC version has no or only a very slight ambient occlusion. You cannot set ambient occlusion in the graphics menu. But we checked the config files and it was always set to TRUE. So maybe it is a bug that will be fixed soon and this occurs whit and without 30fps cap. There were frame drops while driving the car or in cutscenes. Another time I had extreme textures loading issues. This seems to be a bad PC launch.