There are all sorts of ways to gauge which team has the toughest ACC schedule.
You can examine various analysts’ ratings based on pet mathematical formulas, which is what the vast majority of observers do. You can go deeper and look at various coaches’ records against one another, and better rate the likelihood of a given result. You can put in perspective when meetings take place, prelude a good indicator of outcome.
All those measures are revealing and perhaps definitive. But, as far as a granular view of ACC matchups within an unbalanced schedule, we’d direct your attention to which venues teams must visit.