Sure it uses CPU but desktop CPUs that gamers use are beasts. Even if it’s a few years old mid level CPU it’s better than any console or mobile device by a long shot. They have dedicated tower or liquid coolers so they can push a lot of power into the chips
With sim games it's not purely about clock speed or TDP. The previous generation 5800X3D outperformed the newest chips in simulation games for a while thanks to it's very large cache.
