James finishjed with 12 points, 10 assists, eight rebounds and another chase-down block of Suns guard Jason Richardson, who he victimized last season. The Cavs had seven players in double figures.
It was the second straight blowout loss for the Suns, who were throttled 126-99 by the New York Knicks on Tuesday night.
Channing Frye scored 22 points, and Steve Nash had 14, but five assists and six turnovers for Phoenix, which was held to a season-low in points.