The Gigabyte Z790 AORUS ELITE AX is the objective winner of this comparison, securing more victories across the evaluated specifications. Its most impactful advantage is the inclusion of significantly more SATA ports, which provide a 50% increase in storage connectivity compared to the alternative. While both motherboards share many identical features, the Gigabyte Z790 AORUS ELITE AX offers a more robust foundation for users requiring extensive internal drive support for their build.

Users who prioritize high-capacity storage configurations should select the Gigabyte Z790 AORUS ELITE AX to take advantage of its superior SATA port count. Conversely, the MSI MAG X670E TOMAHAWK WIFI is the better choice for those who specifically require additional expansion card support, as it provides a 100% advantage in available PCIe x1 slots. Your final decision should depend on whether your system needs more internal storage drives or additional specialized expansion hardware.