The MSI MEG Z890 ACE wins in 6 out of 14 comparable specs, with 7 ties. Its biggest advantage is USB Type-C (200% better).
B850 AORUS ELITE WIFI wins in 1 spec (MSRP: 80% better).
Recommendation
Choose MEG Z890 ACE if you want the best overall performance — especially usb type-c.
Choose B850 AORUS ELITE WIFI if msrp matters more to you.
