There are several differences. Specially the character design of transformed Momoshiki Otsutsuki. Kishimoto's design was used in the movie, then Ikemoto's design was used for the series.
As far as fighting Momoshiki, which has several difference movie vs anime, The Chuunin Exam's Final fight from anime also differs from the movie. Some fights were a bit more expanded like Choucho's fight with Shinki.
Some of Boruto's fight scenes are also different from the movie, most of the scenes from the anime left something more for the people to talk about specially between Shikadai and Boruto. Which is not shown from the movie.
A new Otsuki member was also shown in that arc, Urashiki Ōtsutsuki. The fish hook guy, this one did not appear in the movie.
Mitsuki's abilities were not shown too much in the movie as much as the anime did, Katasuke's part is also slightly different in the anime.