is itachi the strongest uchiha?
Naruto was powerful enough to fight Obito Uchiha, Madara Uchiha, Kaguya Otsutsuki, and then Sasuke Uchiha all in one day. As such, there's no way for Itachi to be stronger than him. ... To date, he remains the greatest ninja in the series, and so, he's undoubtedly stronger than Itachi.