The Gigabyte X670E AORUS MASTER is the objective winner of this comparison, securing a lead in eight of the fourteen evaluated specifications. Its most significant advantage over the alternative is the inclusion of a higher number of SATA ports, which provides a 200% increase in storage connectivity capacity. While the Gigabyte B850I AORUS PRO maintains a competitive edge in its MSRP, which is 44% better than the X670E AORUS MASTER, it falls behind in overall feature density.

Users prioritizing extensive storage configurations and maximum connectivity should select the Gigabyte X670E AORUS MASTER to leverage its superior SATA port count. Conversely, the Gigabyte B850I AORUS PRO is the appropriate choice for budget-conscious builders who prefer a lower MSRP and do not require the additional storage expansion capabilities offered by the higher-tier model. Choosing between these two motherboards depends entirely on whether your build requires more internal drive support or a more accessible entry price.