The MSI MEG X870E ACE MAX is the objective winner of this comparison, securing more victories across the evaluated technical specifications. Its most significant advantage over the Gigabyte X670E AORUS MASTER is its superior LAN capability, which offers a 300% performance increase. While the Gigabyte X670E AORUS MASTER maintains a notable lead in storage connectivity with 50% more SATA ports, the MSI MEG X870E ACE MAX ultimately provides a more robust feature set across the majority of tested categories.

Users who prioritize high-speed networking and modern connectivity should choose the MSI MEG X870E ACE MAX for its substantial LAN advantage. Conversely, the Gigabyte X670E AORUS MASTER is the better option for builders who require extensive legacy storage support, as it provides significantly more SATA ports than its competitor. Selecting between these two motherboards depends entirely on whether your specific build requirements lean toward advanced network throughput or a higher capacity for traditional SATA-based storage drives.