The MSI MPG X870E CARBON WIFI is the objective winner of this comparison, securing more individual specification victories than its competitor. Its most impactful advantage is a 100% superior LAN capability, which provides a significant networking edge over the alternative. While the ASRock B850 Steel Legend WiFi remains competitive across the majority of measured fields, the MSI MPG X870E CARBON WIFI demonstrates a clear technical lead in connectivity performance.

Users prioritizing high-speed network throughput should select the MSI MPG X870E CARBON WIFI to leverage its superior LAN specifications. Conversely, the ASRock B850 Steel Legend WiFi is the better choice for budget-conscious builders, as it offers a 54% advantage in MSRP. By choosing based on these specific priorities, you can align your purchase with either the networking performance of the MSI board or the cost-efficiency provided by the ASRock model.