The MSI MAG X670E TOMAHAWK WIFI wins in 6 out of 14 comparable specs, with 6 ties. Its biggest advantage is M.2 Slots (100% better).
ROG STRIX Z490-E GAMING wins in 2 specs (PCIe x1 Slots: 200% better).
Recommendation
Choose MAG X670E TOMAHAWK WIFI if you want the best overall performance — especially m.2 slots.
Choose ROG STRIX Z490-E GAMING if pcie x1 slots matters more to you.
