The Gigabyte Z790 AORUS ELITE AX is the objective winner of this comparison, securing more victories across the evaluated specifications. Its most significant advantage over the Gigabyte B850I AORUS PRO is the inclusion of 200% more SATA ports, which provides substantially greater capacity for internal storage connectivity. While the Gigabyte B850I AORUS PRO holds an 8% lead in maximum memory speed, the overall feature set of the Gigabyte Z790 AORUS ELITE AX proves more comprehensive for general hardware configurations.

Users who prioritize extensive storage expansion and a higher volume of drive connections should choose the Gigabyte Z790 AORUS ELITE AX for their build. Conversely, the Gigabyte B850I AORUS PRO is the better selection for enthusiasts who specifically require the higher maximum memory speed supported by that platform. Selecting between these two motherboards depends entirely on whether your primary requirement is increased memory performance or a greater number of available SATA ports for your storage devices.