The MSI MAG B560 TOMAHAWK WIFI is the objective winner of this comparison, securing more individual specification victories than its competitor. The most impactful advantage offered by this motherboard is its superior expansion capability, as it provides 100% more PCIe x16 slots than the Gigabyte B660M DS3H DDR4. This hardware configuration gives the MSI board a distinct lead in connectivity options for users requiring multiple high-speed expansion cards within their system build.

Users who prioritize budget efficiency should select the Gigabyte B660M DS3H DDR4, which holds a 47% advantage in MSRP. Conversely, those who require extensive expansion support for their workstation or gaming setup should choose the MSI MAG B560 TOMAHAWK WIFI. By focusing on these specific differences in cost and slot availability, buyers can align their purchase with either a strict focus on initial expenditure or a need for greater hardware versatility.