Has a FIBA World Cup game ever ended 80-64?
It has. 80-64 has been a FIBA World Cup final 4 times in 2,041 games. The first was Italy beat Croatia on November 26, 2017; the latest was Jordan beat India on August 25, 2022.
That makes 80-64 the 44th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 81-64 has happened 1 times and 80-65 has happened 3 times. Nearly all of its occurrences fall between 2010 and 2039.