The ASRock B850 Steel Legend WiFi is the objective winner of this comparison, securing a lead in one specific category while matching its counterpart across all other measured fields. The most impactful advantage of the ASRock B850 Steel Legend WiFi is its MSRP, which is 15% better than that of the ASRock X870 Steel Legend WiFi. This makes the former the more efficient choice for users prioritizing the most favorable cost structure based on the provided specifications.

Users who want to maximize their budget should select the ASRock B850 Steel Legend WiFi, as it offers a clear advantage in MSRP while maintaining parity with the ASRock X870 Steel Legend WiFi in every other area. Conversely, there is no objective spec-based reason to choose the ASRock X870 Steel Legend WiFi, as it does not outperform the alternative in any of the fourteen comparable fields provided.