The MSI MAG B850 TOMAHAWK WIFI is the objective winner of this comparison, securing nine spec victories compared to the single win for the Gigabyte B660M DS3H DDR4. The most impactful advantage for the MSI MAG B850 TOMAHAWK WIFI is its maximum memory capacity, which is 100% better than the alternative. This significant lead in memory support establishes the MSI board as the superior option for users requiring high-capacity RAM configurations for their system builds.

Users prioritizing budget constraints should select the Gigabyte B660M DS3H DDR4, as it holds a 61% advantage in MSRP. Conversely, those who require extensive memory overhead for professional workloads or future-proofing should choose the MSI MAG B850 TOMAHAWK WIFI. By weighing the lower cost of the Gigabyte motherboard against the superior memory capacity offered by the MSI model, builders can align their purchase with their specific financial or technical requirements.