Hey guys I am designing to purchase a novel Graphics card for myself. I am campaigning Windows XP Operating system in my computer. So I accept acquired 2 particular Graphics card in my mind. I am appearing forward to buy either ATI radeon 6670 or the Nvidia Geforce Gts450. The ATI Radeon had acquired 480 shader cores with One GB DDR5,128bit interface storage whereas the Nvidia Geforce Gts450 has 192 shader cores,One GB DDR5,128 bit interface storage. I am confused. Please assist me guys.