Hardcore gamers were the reason behind a whole new chip type being introduced - the GPU. This was also when this market was a lot smaller. I don’t see this changing. The market will continue rewarding chips that cater to it. It is absolutely big enough to sustain several different completely bespoke chip types, regardless of what non-gamers are doing.
x86 will lose to ARM/RISC in gaming only if those chips provide a better gaming experience.
x86 will lose to ARM/RISC in gaming only if those chips provide a better gaming experience.