The MSI MAG B860 TOMAHAWK WIFI is the objective winner of this comparison, securing eight category wins against the single victory claimed by the Gigabyte B660M DS3H DDR4. The most impactful advantage for the MSI MAG B860 TOMAHAWK WIFI is its maximum memory capacity, which is 100% better than the alternative. This significant lead in memory support establishes it as the superior option for users prioritizing high-capacity system configurations and expanded hardware potential.

Choose the Gigabyte B660M DS3H DDR4 if your primary goal is minimizing initial expenditure, as it offers a 61% better MSRP than the competition. Conversely, select the MSI MAG B860 TOMAHAWK WIFI if your workload requires extensive memory overhead. While the former is the clear choice for budget-conscious builds, the latter provides the necessary technical headroom for users who need to maximize their system memory capacity for demanding tasks.