Both boards share the same AM5 socket and B850 chipset, making them equally capable platforms for AMD's current-generation processors. They also match on HDMI 2.1 output, overclocking support, RGB lighting, and a 3-year warranty — so on the fundamentals, neither pulls ahead. The most consequential difference in this group is the form factor: the Gigabyte B850M Force is a Micro-ATX board (244 × 244 mm), while the MSI Pro B850-S Wi-Fi6E is a full ATX (243.8 × 304.8 mm). This directly affects case compatibility, available expansion slots, and overall build flexibility.
Connectivity is where the MSI separates itself clearly: it includes Wi-Fi and Bluetooth, whereas the Gigabyte offers neither. For a desktop sitting next to a router this may be irrelevant, but for anyone building in a location where running an Ethernet cable is inconvenient, or who wants wireless peripherals without a dongle, this is a meaningful real-world advantage. On the other hand, the Gigabyte counters with dual BIOS — a hardware-level redundancy feature that lets the board recover from a failed firmware flash automatically, something the MSI lacks. The MSI compensates with an easy BIOS reset mechanism, which is more useful for everyday troubleshooting but offers less protection against catastrophic firmware failure.
Overall, the MSI Pro B850-S Wi-Fi6E has a practical edge for most builders: its larger ATX footprint offers more room to work with, and built-in wireless connectivity removes a potential add-on cost. The Gigabyte B850M Force is the better fit for compact builds or users who prioritize firmware resilience via dual BIOS and don't need wireless — but it asks you to give up both size flexibility and integrated connectivity to get there.