I think division record is not applicable as tiebreaker between teams not in the same division, so tiebreaker would be conference record. IIRC Denver wins on that.
I think after this weekend they both have two AFC losses so I believe the next tiebreaker would be SOS which lol you know.
ETA:
To Break A Tie For The Wild-Card Team
If it is necessary to break ties to determine the three Wild-Card clubs from each conference, the following steps will be taken.
If the tied clubs are from the same division, apply division tiebreaker.
If the tied clubs are from different divisions, apply the following steps.
Two Clubs
Head-to-head, if applicable.
Best won-lost-tied percentage in games played within the conference.
Best won-lost-tied percentage in common games, minimum of four.
Strength of victory in all games.
Strength of schedule in all games.
Best combined ranking among conference teams in points scored and points allowed in all games.
Best combined ranking among all teams in points scored and points allowed in all games.
Best net points in conference games.
Best net points in all games.
Best net touchdowns in all games.
Coin toss.