...the Big12's will be worth more money - but they also just added more mouths. So if the Big12 thinks they are going to get $40M per school - they need to get $80M per year more than what they have been getting to feed the two new mouths that were just added.
This particular guy said he thought that the two conferences would get relatively similar contracts - he didn't speculate which would be bigger per school, just that he thought they would be close enough to each other that it was a push.