The ASRock X870 Steel Legend WiFi and the ASUS TUF GAMING B850-PLUS WIFI are objectively tied, as each component wins in two of the fourteen comparable fields. The most impactful advantage for the ASRock X870 Steel Legend WiFi is its USB Type-C connectivity, which offers a 100% improvement over the alternative. Conversely, the ASUS TUF GAMING B850-PLUS WIFI provides a 100% advantage in PCIe x1 slot availability, marking the primary differentiator for that specific motherboard.

Users who prioritize modern peripheral connectivity should select the ASRock X870 Steel Legend WiFi to utilize its superior USB Type-C interface. Alternatively, those who require additional expansion card support should choose the ASUS TUF GAMING B850-PLUS WIFI for its increased number of PCIe x1 slots. Because both motherboards share identical specifications across the remaining ten categories, the decision rests entirely on whether your build requires more high-speed external ports or additional internal expansion capabilities.