Duke trailed 17-3 after Wake Forest scored on a 43-yard touchdown pass.
Clayton had its season ended by East Guilford on Friday, 38-31.
Wake Forest won at home on Friday against Sanderson, 35-7.
Garner was too much for Green Hope on Friday, winning 56-39.
The Blue Devils struggled throughout the game from the perimeter and at times from the free-throw line.
Here are the latest scores from the third round of North Carolina prep football playoffs.
The Razorbacks were held under 80 points for the first time this season.
Tennessee made 8 of 18 3-pointers and scored 22 points off 21 Wolfpack turnovers.
Duke trailed by as many as eight points but took control midway through the second half.
Tywhon Pickford had 18 points and 18 rebounds to lead the Panthers. Yurtseven had 17 points and 13 rebounds to lead N.C. State.