The ASRock B550 Steel Legend and the Gigabyte B760 AORUS ELITE AX result in a tie based on the provided specifications. While both motherboards share equal standing across the majority of measured categories, each offers a distinct hardware advantage. The ASRock B550 Steel Legend provides a 100% improvement in PCIe x1 slot availability, whereas the Gigabyte B760 AORUS ELITE AX delivers a 63% increase in maximum memory speed capacity.

Users prioritizing expansion capabilities for additional peripherals should select the ASRock B550 Steel Legend for its superior PCIe x1 slot count. Conversely, those focused on high-speed memory performance should opt for the Gigabyte B760 AORUS ELITE AX to utilize its significantly higher maximum memory speed. Choosing between these two components depends entirely on whether your specific build requires more connectivity ports or faster memory support.