Board Thread:Naruto Discussions/@comment-28294008-20160424155402/@comment-2005101-20160426173959

Since Naruto gained Sennin Mode, he maintained either a lead on, or even pace with Sasuke's strength(Sasuke temporarily catching up with mastery of the Mangekyō Sharingan, and then Eien no Mangekyō Sharingan later on). I believe it was when Naruto learned how to combine his Senjutsu with Bijū Mode that he gained a significant lead over Sasuke that he maintained until the manga's conclusion.

In their adulthood, they have been described as equals. Given how much time Sasuke has had to acclimate to the Rinnegan's outstanding powers, and the manner in which they were portrayed in the Boruto movie, I wouldn't doubt that.

GreatestSin wrote: Thekillman wrote: We know for a fact that Hagoromo talked to Sasuke under the same circumstances as Naruto. We know for a fact he gave them half his power. yes but we cant say it is the reason for the rinnegan with 100% certainty,

sasukes circumstances was also similar to madaras at the time he gained rinnegan :) If I remember correctly, Sasuke's Amenotejikara was said to be a gift from Hagoromo, or something along those lines. Sasuke and Naruto both had the "ingredients" necessary for their respective power-ups, but I believe it was Hagoromo that jump-started them with the two respective sides of his chakra's power.