Good question. I lean slightly towards FAU. Not sure why, I just like the look. It has nothing to do with my distaste for UCF lol. Seriously. I like their stadium a lot. Maybe it is the palm trees.
FAU was based on UCF's stadium. The general design is the same:
The exceptions is capacity in that FAU didn't enclose one end.
FAU stadium seats 30,000.
Brighthouse fits 45,000
Since both are based on the same design, they each can be expanded up to 65,000.
However FAU upgraded theirs:
Brighthouse has 822 club seats, 24 luxury suites,
FAU has 6,000 premium seats, including 24 suites, 26 loge boxes, 1,000 premier club seats, 4,000 priority club seats
Plus FAU's stadium is decorated in a tropical theme and will be the base/"jewel" of a matching new athletics district
And that my friends: