Are next the movie and knowing the movie the same movie?

No they are different movies but the actor in the lead role is same and that is Nicolas Cage.

Next movie is about the person who can see future 2 minutes ahead. He has some sort of psychic powers which he was born with.

Knowing is Night Shyamlan's movie where he shows us if the earth is going to destroy then how its gonna happen. Nicolas Cage is the lead role and a child which is his son is also has the main role.