Ah, I misread that thought he said another card vs. 1080.
Some people go out of their way for tests and stuff like that. For instance, you might find one guy's take on the thermals of an MSi Gaming X vs. an Asus strix 1080 for instance.
As far as motherboards go - pay attention to your needs. Note the fan headers, usb headers, internet, read up on what people have had problems with, is the BIOS workable with, is it good for overclocking, are the vrms cool, etc. There isn't a "direct comparison" but that would be a nice thing to make, would take lots of testing time and electrical bills.