Javaris Crittenton poured in 20 points and dished out five assists, Lewis Clinch scored 14 points and Zach Peacock and Thaddeus Young each scored 13 for Georgia Tech (4-0), which shot 49 percent from the floor.
The Yellow Jackets now face No. 12 Memphis in the semifinals on Tuesday. The Tigers defeated Oklahoma 77-65 earlier in the day.
Carl Landry had a team-high 14 points and also brought down nine rebounds for the Boilermakers (2-1).