Your CPU is fine. The best way to boost performance is to replace your GPUs.
Your HD 4870s still provides good performance even though they only have 512MB. I would wait though for prices to fall a bit.
hello everyone help me
i want to buy a new sandy bridge processor core i3 540
someone has told me that we will not need EXTRA GPU for it and also that the technology of grapics is fixed in sandy bridge 2nd generation.......do i still need another graphics card to play games like nfs ot pursuit ,crysis 2 ,fifa 11????? on med setting
or will integrated gpu of sandy bridge goes fine for me to play these games on med setting????