Exactly. Lets him do what a normal Rinnegan can do. Adding: EMS abilities, Sasuke's Rinnegan Swap ability, Rinnegan Genjutsu, and more. So Sasukes Rinnegan > Normal rinnegansasukes rinnegan only does what a normal rinnegan does. there is no difference between a rinnegan with tomoes and a rinnegan without tomoes.
Rinnesharingan>rinnegan=tenseigan>sharingan>byakugan
the only exceptions would be in the case of perfect susano users. madaras susano is his full power when he is not a juubi jinchuriki despite his rinnegan.
sasukes perfect susano is his full power despite the rinnegan.