The Gigabyte B760I AORUS PRO DDR5 wins in 4 out of 14 comparable specs, with 7 ties. Its biggest advantage is Max Memory Speed (67% better).
PRO B660M-A WIFI DDR4 wins in 3 specs (SATA Ports: 100% better).
Recommendation
Choose B760I AORUS PRO DDR5 if you want the best overall performance — especially max memory speed.
Choose PRO B660M-A WIFI DDR4 if sata ports matters more to you.
