The MSI MEG X870E ACE MAX wins in 10 out of 14 comparable specs, with 3 ties. Its biggest advantage is LAN (300% better).
B850I AORUS PRO wins in 1 spec (MSRP: 60% better).
Recommendation
Choose MEG X870E ACE MAX if you want the best overall performance — especially lan.
Choose B850I AORUS PRO if msrp matters more to you.
