The Gigabyte B660M DS3H DDR4 is the objective winner of this comparison, securing more individual specification victories than its counterpart. While the Gigabyte B650M DS3H holds a notable edge in memory performance, offering a 29% faster maximum memory speed, the Gigabyte B660M DS3H DDR4 provides a more substantial lead in connectivity. Its most impactful advantage is the integrated LAN, which performs 150% better than the networking solution found on the alternative motherboard.

Users prioritizing network throughput should select the Gigabyte B660M DS3H DDR4 to take advantage of its superior LAN capabilities. Conversely, the Gigabyte B650M DS3H is the better choice for builders who specifically require the higher maximum memory speeds supported by that platform. Choosing between these two components depends entirely on whether your primary requirement is faster data transmission over a wired network or the ability to utilize higher-frequency memory modules.