The MSI MPG X870E CARBON WIFI is the objective winner of this comparison, securing more individual specification victories than its competitor. While both boards share many identical features, the MSI MPG X870E CARBON WIFI provides a significant technical advantage in networking capabilities, offering a 100% improvement in LAN performance compared to the ASRock B850 Steel Legend WiFi. This superior connectivity is the most impactful differentiator between these two motherboards.

Users who prioritize high-speed networking and advanced connectivity should choose the MSI MPG X870E CARBON WIFI for its superior LAN specifications. Conversely, the ASRock B850 Steel Legend WiFi is the better option for budget-conscious builders, as it offers a 54% advantage in MSRP. Selecting between these two components depends entirely on whether your primary requirement is maximizing network throughput or minimizing the initial cost of your motherboard purchase.