Why does a steak cook in under 5 mins but a burger of the same thickness takes 15 minutes?

Question

Why does a steak cook in under 5 mins but a burger of the same thickness takes 15 minutes?

In: 6

Answer 1

If you cook a steak till it is well done, it might take a similar amount of time.

Also consider that ground beef may contain many tiny little pockets of air mixed it, and steak will not. Air is a poor conductor of heat.