For those who want a real side-by-side comparison chart, Rene Ritchie of iMore went ahead and updated the one Amazon made to be slightly more accurate.
side-by-side comparison of kindle fire hd & ipad mini.
kindle fire hd
amazon shows no fear of the iPad mini on its homepage.
amazon is showing no fear of the iPad mini on its homepage with a prominent “the kindle fire hd is better than the iPad mini” graphic.