Not a fair comparison. The C7H has a 10+2 phase configuration with Infneon IR3555, furthermore they are the only board vendor that puts the SOC phases between the CPU phases which results in even better temperatures. (see attached picture) It's also like double the price of the Biostar lol....
the Biostar X470GT8 looks like a really good board, ESPECIALLY given it's super competitive pricing. I just wish they would get away from the whole Racing / Vivid LED DJ crap as it's a bit gimmicky. But at it's price point there are no boards that compare. If I was on a budget I would strongly consider this board.