which one of these are better?
TGT Geforce GTX 570 2560mb - 295 €
http://www.mindfactory.de/product_info.php/info/p767174_2560MB-TGT-GeForce-GTX-570-Performance-Boost-Aktiv-PCIe-2-0-x16--Retail-.html
Sapphire Raedon HD 7870 2048mb OC - 295 €
http://www.mindfactory.de/product_info.php/info/p793374_2048MB-Sapphire-Radeon-HD-7870-OC-Aktiv-PCIe-3-0-x16--Retail-.html
same price, but which one is better for gaming?
TGT Geforce GTX 570 2560mb - 295 €
http://www.mindfactory.de/product_info.php/info/p767174_2560MB-TGT-GeForce-GTX-570-Performance-Boost-Aktiv-PCIe-2-0-x16--Retail-.html
Sapphire Raedon HD 7870 2048mb OC - 295 €
http://www.mindfactory.de/product_info.php/info/p793374_2048MB-Sapphire-Radeon-HD-7870-OC-Aktiv-PCIe-3-0-x16--Retail-.html
same price, but which one is better for gaming?