I have intel core 2 duo e7500 2.93 ghz processor with g31t-m9 motherboard..... recently my brother brought nvidia geforce gtx 650 for me, but i donno whats the problem bcoz when i put the graphics. Best nvidia card for core 2 duo spykar_911 oct 28, 2012, 5:00 am hello tom's team,i need a nvidia card which is best suited for my pc that will not bottleneck with my processor.. The intel core 2 duo processor combined with an nvidia nforce4 sli x16, nvidia nforce 590 sli or 570 sli-based motherboard and one, two, or even four geforce