I think we need to stop comparing Khaman to D Live. Apart from being really tall, their games are different enough that they should be considered totally different prospects. Dereck is a top 2 or 3 athlete at the center position in the NBA. Khaman is not that. He's a fine athlete, but in the NBA, he'll probably be just average. He will most likely never be as good of a defender as Dereck, and will mostly play drop in P&R. Not trying to imply Khaman will be a bad defender, but if you recall, Dereck Lively was pretty much a game changer when he started rolling in 2022-23, almost single handedly transforming Duke into an elite defensive team. We missed that dearly last season. He's special on the defensive end. I think Khaman can be good, but I doubt he will have that level of impact.
But his offensive skill level is way ahead of where Lively was as an incoming freshman, with extremely good touch for a player of his size, and a developing post game that I believe is going to be part of Duke's offense. Probably not a big part, but I can see the big fella getting 3-5 post touches per game as part of the offensive flow. It will be advantageous to throw him the ball when he has a mismatch guarding him. Lively never had a single play drawn up for him that wasn't a lob.
I can also see some pick and pop potential with Khaman, especially with Cooper being such a good slashing threat as a primary ball handler.