The ASUS ROG MAXIMUS Z890 EXTREME wins in 8 out of 13 comparable specs, with 3 ties. Its biggest advantage is USB Type-C (300% better).
H670 Steel Legend wins in 2 specs (PCIe x1 Slots: 100% better).
Recommendation
Choose ROG MAXIMUS Z890 EXTREME if you want the best overall performance — especially usb type-c.
Choose H670 Steel Legend if pcie x1 slots matters more to you.
AI Versus Verdict
The ASUS ROG MAXIMUS Z890 EXTREME is the objective winner of this comparison, securing victory in eight out of thirteen measured specifications. Its most impactful advantage is the USB Type-C connectivity, which offers a 300% improvement over the alternative. While the ASRock H670 Steel Legend manages to win in two categories, including a 100% advantage in PCIe x1 slots, it falls behind the ASUS ROG MAXIMUS Z890 EXTREME in the majority of the evaluated technical fields.
Users who prioritize extensive modern peripheral connectivity should choose the ASUS ROG MAXIMUS Z890 EXTREME for its superior USB Type-C capacity. Conversely, the ASRock H670 Steel Legend is the appropriate selection for builders who specifically require a higher number of PCIe x1 slots for their expansion needs. Selecting between these two motherboards depends entirely on whether your build demands the high-speed interface density of the former or the specific slot configuration provided by the latter.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.