Utah regular season games listed:
1) Utah/Utah State: 311K, .2 rating, FS1
2) Oregon State/Utah: 396K, .3 rating, FS1
3) Utah/BYU: 1.26M, .8 rating, ESPN2
4) UCLA/Utah: 596K, .3 rating, FS1
5) Utah/Oregon: 747K, .4 rating, FS1

Average viewers: 662K viewers
Average rating: .4

BYU regular season games listed:
1) BYU/Virginia: 299K, .2 rating, ESPNU
2) Texas/BYU: 1.29M, .8 rating, ESPN2
3) Utah/BYU: 1.26M, .8 rating, ESPN2
4) MTSU/BYU: 313K, .2 rating, ESPNU
5) Georgia Tech/BYU: 358K, .2 rating, ESPNU
6) BYU/Houston: 205K, .1 rating, ESPNNEWS
7) Boise State/BYU: 1.97M, 1.2 rating, ESPN
8) BYU/Wisconsin: 2.18M, 1.3 rating, ESPN
9) BYU/Notre Dame: 2.29M, 1.5 rating, NBC

Average viewers: 1.13M viewers
Average rating: .7

BYU is clearly winning the exposure category between the two schools.

http://www.sportsmediawatch.com/college-football-tv-ratings/2/