The Seattle-based company reported net income of $1.9 billion, or $3.75 per share, in the three months ending Dec. 31. That blew past the $1.88 per share analysts expected, according to FactSet.
Revenue soared 38 percent to $60.5 billion in the fourth quarter, beating the $59.8 billion analysts expected.
Amazon.com Inc.'s stock rose more than 4 percent in after-hours trading Thursday.
--The Associated Press