http://www.nfl.com/videos/nfl-netwo...d-Knocks-Tannehill-doesn-t-know-his-divisions
What is more important than being an intellectual is the ability to process information quickly. RT didn't have that.
Marino only scored a 16 on the wonderlic, however he processed information quickly. In an interview in which Coach Shula was asked about Marino's greatest asset and his response was "It didn't take long for information to go from his brain to his arm or his brain to his feet." Marino wouldn't of won a foot race against offense linemen, but there was no better QB at maneuvering in the pocket or getting rid of the ball.
Speed of CPU >>>> level of intelligence
That's one the glaring questions with Rosen, "How fast is his CPU?"