The MSI MAG B460 TOMAHAWK is the objective winner of this comparison, securing more individual specification victories than its competitor. Its most significant advantage is the inclusion of 200% more SATA ports, providing substantially greater storage connectivity options for your build. While the Gigabyte B850I AORUS PRO falls behind in the total count of superior specifications, it maintains a distinct edge in memory performance, offering a maximum memory speed that is 180% better than the MSI alternative.

Choose the MSI MAG B460 TOMAHAWK if your primary requirement is high-capacity storage expansion, as the increased SATA port count offers superior flexibility for multiple drives. Conversely, select the Gigabyte B850I AORUS PRO if you prioritize memory throughput for your system, as its significantly higher maximum memory speed provides a clear advantage for users focused on high-speed RAM configurations. Your decision should depend entirely on whether you value storage volume or memory performance.