The MSI MEG Z890 ACE wins in 9 out of 14 comparable specs, with 3 ties. Its biggest advantage is USB Type-C (200% better).
MAG B760 TOMAHAWK WIFI wins in 2 specs (PCIe x1 Slots: 100% better).
Recommendation
Choose MEG Z890 ACE if you want the best overall performance — especially usb type-c.
Choose MAG B760 TOMAHAWK WIFI if pcie x1 slots matters more to you.
