My guess is only one of the cores can handle the overclock, while the other core can't. I don't think the 4800 have that much headroom for overclocking anyway, so as soon as you start bumping the multiplier, you're probably pushing the chips too hard.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.