It could, yes, you never know. I say that because you never know what all goes into a given BIOS update. Yes they will list an item or two in their 'recap', but the manufacturers are constantly working on the BIOS and most all have lots of tweaks, fixes, updates. Often a bunch just for DRAM alone, there can also be tweaks for drives, GPUs and other (most often) newer components. It's doubtful it would be anything of a major increase in gaming performance, but every little bit can help. Same with the mobo drivers, which are also constantly evolving