Team USA made 18 of its 42 three-point shots to finish off Argentina.
LeBron James contributed 18 points and 7 rebounds and dished out 7 assists. Deron Williams also did 6 assists.
Kobe Bryant tallied 13 points and Chris Paul had 10 points and 7 assists. Kevin Love, who scored nine points, dominated the rebounding area with 9.
USA will meet Spain at 3 p.m. (10 a.m. EDT) on Sunday, August 12, for the gold medal match.
Argentina will play against Russia in the bronze medal game at 11 a.m. (6 a.m. EDT).