In all such comparisons I have seen DYE comes out looking fine,...

In all such comparisons I have seen DYE comes out looking fine, but anyway you are working on a false calculation.

While Silicon is going to win if you give it a nice a long period of full sun with the panel pointing straight at it, as soon as you take it into real world smoggy overcast london, drop the expensive and bulky panel turning mechanism and then start measuring, the DYE panels are going to be miles in front.

Compare real world apples with real world apples.. not with lab condition perfect oranges.