first of all, this is not Brando, this is Al Pacino (one of greatest actors ever to grace the big screen)

and for me (I've seen many great films and performances (not boasting)), his acting in this film and God father 2 is absolutely mind blowing, I've seen both of those films twice each. I love his interpretation of his character, kind of cold, collected and calm on the surface. (something somebody like de caprio will never be able to pull off). and he portrayed his transformation of character really well thru out the series. man, his expressionless face in the second film is an expression of Pure Evil. he says a millions things without even making a face. that's why he's worshipped like a God by many movie goers, I can't begin to name the mindblowing performances he's given in his time.
and I feel really bad for you that you are not able to recognize his genius here, and I can't help but laugh my ass off at your hilarious comparison of him to that cartoon of an actor de caprio. de caprio needs to dance on the screen to convince his audience that he's acting whereas Al pacinos subtle acting here is usually lost by the average film viewer
De caprio just acts the same role in every film he's in...same old paranoid running around. he's really boring, he's not a bad actor, but he needs to stop over-acting and be more convincing in his character. his acting is alright for the films where his character has to be doing something in every minute to keep our attention. but he will never accomplish what Pacino has in his film career.
so please stop disgracing the film scene which many of consider to be a form of art by comparing cartoons like de caprio to
Al pacino.
if you need proof, go see
dog day afternoon and ask yourself if caprio could ever have done that.