The MSI MAG B860 TOMAHAWK WIFI is the objective winner of this comparison, securing more total spec victories across the evaluated categories. Its most significant advantage over the MSI MAG X870 TOMAHAWK WIFI is the inclusion of PCIe x1 slots, which offer a 100% improvement in availability for expansion cards. While both motherboards share identical specifications in nine of the fourteen measured fields, this specific connectivity edge allows the B860 to outperform its counterpart in hardware versatility.

Users who prioritize expansion capabilities and require additional PCIe x1 slots should choose the MSI MAG B860 TOMAHAWK WIFI for their build. Conversely, those who rely heavily on peripheral connectivity should opt for the MSI MAG X870 TOMAHAWK WIFI, as it provides a 14% advantage in the number of available USB Type-A ports. Selecting between these two components depends entirely on whether your specific setup demands more internal expansion or increased external device support.