The MSI MAG Z790 TOMAHAWK WIFI is the objective winner of this comparison, securing more wins across the evaluated specifications. Its most significant advantage is the inclusion of M.2 slots, which offer a 150% improvement over the alternative. This hardware superiority makes it the more robust choice for users who prioritize high-capacity storage expansion and advanced connectivity options within their system build.

Users who require extensive storage configurations should select the MSI MAG Z790 TOMAHAWK WIFI for its superior M.2 slot capacity. Conversely, the MSI PRO B860M-A WIFI is the better option for budget-conscious builders, as it holds a 48% advantage in MSRP. Choosing between these two motherboards depends entirely on whether your priority is maximizing internal storage potential or minimizing the initial cost of your component purchase.