The ASRock B850 Steel Legend WiFi and the MSI MAG X870 TOMAHAWK WIFI are objectively tied, as both motherboards secure an equal number of specification victories across the compared fields. The ASRock B850 Steel Legend WiFi holds the most significant 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 processor should select the ASRock B850 Steel Legend WiFi to leverage its superior VRM phase configuration. Alternatively, those who require extensive high-speed storage options for multiple drives should choose the MSI MAG X870 TOMAHAWK WIFI for its increased M.2 slot capacity. Since both boards perform identically across the majority of measured specifications, the final decision rests entirely on whether your build requires enhanced power stability or additional storage connectivity.