Compare equal external-profile arrow setup's. Use equal shaft diameters and equal broadheads and tune both setups for perfect arrow flight from the bow. Take a number of heavy bone-impact shots, all from equal shooting distance and angle of impact, and see what the average distance penetrated by each setup is ... then enjoy YOUR beer.
On the other hand, you could likely just take a random group on shots with each setup, into any moderately large big game animal and still win ... assuming your arrow doesn't have some penetration-inhibiting broadhead feature, like poor MA broadhead or a high-resistance drag feature.
Ed
TGMM Family of the Bow