If I was to compare Randle with someone in recent years, I would have to pick Elton Brand. Both are undersized. Randle has an endless motor on the offensive side, he is going to average 3-4 OReb a game if given the playing time. Similar to Elton Brand, who was always getting OReb. Randle doesn't have much of a 3 point shot, but I see him developing a very good mid range game similar to Brand. Neither will wow you on the defensive side, maybe a block a game.
Elton Brand has a freakish wingspan, IIRC.
He did. Something like a 7'4 or 5 wingspan.
7' 5.5", with a standing reach of 9'2". In 2013, Randle measured a 6'11" wingspan and a 8' 9.5" reach at the Nike Hoops Summit. For what its worth, he is significantly taller than Williamson who measured at 6'5.5".