Need a new video card in my system. Out of these two which one would you pick? About the same price. I like the fact that the 6800 gt has 512k memory and the other is a 7800 GT and copper cooling. How much does 512k really help out in games?
eVGA GeForce 6800 GT 512MB DDR3/PCI-E/TV-Out/Dual-DVI (Retail Box)
eVGA GeForce 7800 GT CO 256MB DDR3/PCI-E/VIVO/Dual-DVI (Retail Box)
eVGA GeForce 6800 GT 512MB DDR3/PCI-E/TV-Out/Dual-DVI (Retail Box)
eVGA GeForce 7800 GT CO 256MB DDR3/PCI-E/VIVO/Dual-DVI (Retail Box)