The ASRock B850 Steel Legend WiFi and the MSI MAG X870 TOMAHAWK WIFI are tied in their overall objective performance, as both motherboards secure an equal number of specification wins. The ASRock B850 Steel Legend WiFi holds a notable advantage in power delivery, featuring VRM phases that are 24% better than its competitor. Conversely, the MSI MAG X870 TOMAHAWK WIFI provides superior storage expandability, offering a count of M.2 slots that is 33% better than the alternative.

Users prioritizing robust power delivery for their system should select the ASRock B850 Steel Legend WiFi to leverage its superior VRM phases. Those who require extensive high-speed storage configurations should opt for the MSI MAG X870 TOMAHAWK WIFI to utilize its increased number of M.2 slots. Since both boards share the same number of total specification wins, the choice depends entirely on whether your build requires enhanced power stability or greater storage capacity.