They are both in another league than the usual actresses we are speaking about cause they are athletes. Hence, they could surely beat up most of the actresses, maybe even some of the stronger ones.
In this fight it will be Franzi who destroys Sina without greater problems. As a swimmer Franzi is extraordinarily strong and her body is a dangerous weapon. An advantage of Sina might be that she is faster. However, Franzi is quick as well and when she matches to land a hard punch or kick, SIna will face hard times
