With the JB, everything fits into the 1.0 L cookpot. In order to have an alcohol stove have the same dimensions, you'd have to also have a 1.0 L cookpot, which means that there would be no real difference between the amounts that you could boil.
You said on compactness the alcohol stove is the clear winner. The Jetboil system, which fits in its own 1L pot, will boil twelve liters of water. For an alcohol stove system that fits in a 1L pot, how many liters of water will it boil?
Jeanette Isabelle