Both allow to have software developed for by any 3rd parties - that should include any and the original device seller should not be able to control the distribu

Both allow to have software developed for by any 3rd parties - that should include any and the original device seller should not be able to control the distribution. If you really ask: xbox is pretty much the same as an x86-64 PC, running Windows (and having AMD GPU). It just bit more sealed.