The ASUS ROG STRIX Z890-A GAMING WIFI wins in 3 out of 14 comparable specs, with 10 ties. Its biggest advantage is M.2 Slots (25% better).
MAG X870 TOMAHAWK WIFI wins in 1 spec (MSRP: 28% better).
Recommendation
Choose ROG STRIX Z890-A GAMING WIFI if you want the best overall performance — especially m.2 slots.
Choose MAG X870 TOMAHAWK WIFI if msrp matters more to you.
