Marvin Bagley III had 16 points and 11 rebounds for the Blue Devils.
North Carolina never got closer than eight points in the final eight minutes.
The Hurricanes shot 60 percent after halftime while committing just 10 turnovers.
Rookie Marvin Bagley III added 20 points for the Blue Devils
Joel Berry II and Cameron Johnson finished with 16 points apiece.
Omer Yurtseven scored 22 points and N.C. State beat the Demon Deacons 72-63 on Thursday night.
Luke Maye added 11 points while playing with a stitched-up cut on his nose suffered shortly before halftime.
Duke scored 18 consecutive points to overtake No. 25 Miami.
N.C. Central used ball movement and got 18 points from Raasean Davis.
Torin Dorn scored 16 points to lead N.C. State.