What kind of high quality scans are those lines? Sergio was greater than Arnold. Arnold told me that himself. Not in as many words but he said that if he had Sergio's physique he would beat himself. You know what I mean.
I personaly think that prime arnold beats Sergio.
Because, sergios muscle does have good size, but not separated .
Arnolds physique had good separations and size.
But, the first term of their duel fight, Ive got to say Sergio was the winner