1, the beef location is different: sirloin steak belongs to the beef spine, the meat of the outside with a circle of white sinew; and filet mignon is a piece of meat at the tip of the beef spine, the amount is small, but the most tender.

2, the texture is different: sirloin steak is the toughest, hard, chewy; filet mignon can not be fried overcooked, it will destroy its tender taste.

3, the practice is different: filet mignon one cooked, three cooked taste the best, and sirloin steak is generally five cooked better, too cooked to eat will be very hard.