Hey Guys! I'm getting my new computer soon and I want to know the difference between these two graphics cards since their the same price and which one is better http://www.waeplus.co.uk/item/239834/Radeon-HD-7870-OC---2-GB-GDDR5---PCI-Exp--- http://www.ebuyer.com/390921-sapphire-hd-7850-oc-2gb-dual-dvi-hdmi-displayport-pci-e-graphics-card-11200-14-20g