The MSI MEG X870E ACE MAX is the objective winner, securing victory in nine of the thirteen comparable fields. Its most significant technical advantage over the MSI MAG B550 TOMAHAWK is its LAN capability, which is 300% better. While the MSI MAG B550 TOMAHAWK holds a 100% advantage in PCIe x1 slots, the superior networking performance of the MSI MEG X870E ACE MAX makes it the more robust option across the majority of measured specifications.

Users who prioritize high-speed network connectivity and modern hardware standards should choose the MSI MEG X870E ACE MAX for its comprehensive spec lead. Conversely, the MSI MAG B550 TOMAHAWK is the appropriate selection for users whose specific build requirements rely on the increased availability of PCIe x1 slots. Selecting between these two motherboards depends entirely on whether your workflow demands superior LAN throughput or the specific expansion layout provided by the alternative.