>if you start to extract the yield, you get 100% more honey from hives.
Yes, because there is no time delay to get somewhere to store the nectar. You will get significantly more yield with drawn comb over foundation or foundationless, yes. This is not because of x pounds of honey to make y pounds of wax. You will get more yield with foundationless, though, than with foundation because they will draw it faster than foundation and you will have somewhere to store the nectar sooner than with foundation. But of course, not as soon as with drawn comb.