Based off of what they looked like today, i.e. it was hot as fuck and everyone was sweating their balls off therefore probably not the best case to judge one on their looks (although if they were in bikinis this would be much, much easier), I'd say they're both borderline 8's, but in different ways.
One girl is super skinny, small tits, and around 5'6". Other same height, thicker build with big tits (at least D's). I'd argue smaller tits (for which she shall now be referred to) has a cuter face, whereas big tits just has a "better" looking womanly curvy figure imo.