The MSI MAG B850 TOMAHAWK WIFI is the objective winner of this comparison, securing more individual specification victories than its competitor. While both boards offer distinct configurations, the most impactful advantage for the MSI MAG B850 TOMAHAWK WIFI is its superior expansion capability, offering 100% more PCIe x1 slots than the alternative. This hardware layout provides a clear lead in connectivity options for users requiring additional peripheral support across the board's available architecture.

Users who prioritize maximum storage capacity should choose the ASUS ROG STRIX Z790-E GAMING WIFI, as it provides a 67% advantage in M.2 slots for high-density drive configurations. Conversely, the MSI MAG B850 TOMAHAWK WIFI is the better selection for builders who need to populate multiple expansion cards via its doubled PCIe x1 slot count. Selecting between these two motherboards depends entirely on whether your specific build requires more internal storage drives or additional peripheral expansion cards.