Nah man the only time I ever thought sasuke was stronger than naruto was maybe a little bit in the original naruto series and the beginning of shippuden. The rest of the time I think naruto has always been stronger... especially when he got sage mode and up until now.
I rate Rinnegan a lot, it gives him shitloads of potential for improvement from his recent fight with Naruto, I'd say they're probably equal, they always seem to be anyway so I doubt that would change.