According to Draftexpress.com, Tyler Ennis is listed at 6’2″ (w/ shoes) with a 6’5″ wingspan. He roughly looks around 180lbs., but has good point guard size for the NBA level.
Marcus Smart, on the other hand, is 6’4″ (w/shoes) with a 6’8″ wingspan. On top of that, he has a 220lb. brick wall of a frame that allows him to attack hard to the basket.