Both boards share the same foundation: the LGA 1851 socket with a B860 chipset, identical HDMI 2.1 output, dual BIOS, RGB lighting, and a 3-year warranty. For the target buyer, this means neither board cuts corners on the essentials — both support the same CPU generation and offer a safety net for failed BIOS updates through their dual-BIOS implementations.
The most meaningful divergence lies in form factor and wireless capability. The Asus TUF is a full ATX board (305 mm wide), offering more PCIe slots, VRM headroom, and expansion potential, while the Gigabyte is a Micro-ATX design (244 mm wide), suited for smaller cases where footprint matters. On wireless, the Asus pulls ahead with Wi-Fi 7 (802.11be) support versus the Gigabyte's maximum of Wi-Fi 6E — a real-world difference if you plan to use a Wi-Fi 7 router, as Wi-Fi 7 delivers lower latency and higher throughput. The Asus also carries Bluetooth 5.4 versus 5.3 on the Gigabyte, a minor but measurable improvement in connection stability and range. Additionally, the Asus includes a dedicated easy BIOS reset mechanism that the Gigabyte lacks, which is a practical convenience during troubleshooting or overclocking.
Overall, the Asus TUF Gaming B860-Plus WiFi holds a clear edge in this group: it offers a more future-proof wireless stack with Wi-Fi 7, a slightly newer Bluetooth revision, greater expandability via ATX, and a more user-friendly BIOS reset option. The Gigabyte B860M Aorus Elite WiFi6E Ice is the right pick only if compact Micro-ATX sizing is a hard requirement for your build.