The ASRock B850 Steel Legend WiFi is the objective winner of this comparison, securing more individual specification victories than its counterpart. Its most significant technical advantage is the maximum memory capacity, which is 100% better than that of the alternative. This substantial increase in supported RAM provides a clear lead for the ASRock B850 Steel Legend WiFi in memory-intensive configurations, establishing it as the superior choice based on the total count of winning specifications.

Users who prioritize high-capacity memory support should select the ASRock B850 Steel Legend WiFi for their build. Conversely, those who require additional expansion capabilities should opt for the ASRock H670 Steel Legend, as it offers a 100% advantage in the number of available PCIe x1 slots. Choosing between these two motherboards depends entirely on whether your specific system requirements favor the expanded memory ceiling of the former or the increased slot connectivity of the latter.