The Gigabyte B850I AORUS PRO and the Gigabyte Z790 AORUS ELITE AX DDR4 result in an objective tie across the evaluated specifications. While both motherboards offer comparable core functionality, the Gigabyte B850I AORUS PRO holds a significant edge in memory performance, boasting a 54% advantage in maximum memory speed. Conversely, the Gigabyte Z790 AORUS ELITE AX DDR4 provides a notable financial benefit, featuring an 18% better MSRP compared to its counterpart.

Users prioritizing high-speed memory configurations should select the Gigabyte B850I AORUS PRO to leverage its superior frequency capabilities. Alternatively, the Gigabyte Z790 AORUS ELITE AX DDR4 is the more suitable choice for budget-conscious builders looking to maximize value through its lower MSRP. Your final decision should depend on whether your primary requirement is achieving the highest possible memory speeds or optimizing your total expenditure on the motherboard component.