Katt Williams is taller with a height of 5' 5" (1.65 m) while Kevin Hart is 5' 2" (1.57 m).
Multi-talented actor-comedian Katt Williams was born Katt Micah Williams on September 2 1973 in Cincinnati, Ohio. He was widely recognized for his role in the movie Friday After Next as "Money Mike".
On the other hand, actor-comedian, Kevin Hart was born on July 3, 1980 in Philadelphia, Pennsylvania. He is known for his energetic live shows, that includes pyrotechnics.