The MSI MAG B850 TOMAHAWK WIFI wins in 6 out of 14 comparable specs, with 6 ties. Its biggest advantage is USB Type-C (100% better).
MAG X670E TOMAHAWK WIFI wins in 2 specs (PCIe x16 Slots: 50% better).
Recommendation
Choose MAG B850 TOMAHAWK WIFI if you want the best overall performance — especially usb type-c.
Choose MAG X670E TOMAHAWK WIFI if pcie x16 slots matters more to you.
