A double quarter pounder is two quarter pound patties, not one half-pound patty. And no, the sandwiches would not be equivalent. Two quarter pound patties cook

A double quarter pounder is two quarter pound patties, not one half-pound patty. And no, the sandwiches would not be equivalent. Two quarter pound patties cook faster, even serially, than one half pounder. Plus, you typically pair each patty with a slice of cheese when making cheeseburgers, so the bread/meat/cheese ratio is completely different.