The ASRock X870 Steel Legend WiFi wins in 6 out of 14 comparable specs, with 4 ties. Its biggest advantage is USB Type-C (100% better).
MAG Z790 TOMAHAWK WIFI wins in 4 specs (PCIe x1 Slots: 100% better).
Recommendation
Choose X870 Steel Legend WiFi if you want the best overall performance — especially usb type-c.
Choose MAG Z790 TOMAHAWK WIFI if pcie x1 slots matters more to you.
AI Versus Verdict
The ASRock X870 Steel Legend WiFi is the objective winner of this comparison, securing more total spec victories across the evaluated fields. Its most impactful advantage is the USB Type-C connectivity, which offers a 100% improvement over the alternative. This superior interface capability makes it the more modern choice for users prioritizing high-speed peripheral integration and future-proof connectivity standards in their motherboard selection.
Users who require extensive USB Type-C support should choose the ASRock X870 Steel Legend WiFi for its significant advantage in that category. Conversely, the MSI MAG Z790 TOMAHAWK WIFI is the better option for those who specifically need additional PCIe x1 slots, as it provides a 100% improvement in that area. Select the MSI MAG Z790 TOMAHAWK WIFI if your build relies on multiple expansion cards that utilize that specific slot configuration.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.