The MSI MEG X870E ACE MAX wins in 7 out of 14 comparable specs, with 4 ties. Its biggest advantage is LAN (300% better).
X670E AORUS MASTER wins in 3 specs (SATA Ports: 50% better).
Recommendation
Choose MEG X870E ACE MAX if you want the best overall performance — especially lan.
Choose X670E AORUS MASTER if sata ports matters more to you.
