Is this the same as the AMD version? Will performance be the same
http://www.bestbuy.com/site/xfx-radeon-r9-270x-2gb-ddr5-pci-express-3-0-graphics-card-black-silver/2091002.p?id=1219068840893&skuId=2091002
http://www.bestbuy.com/site/xfx-radeon-r9-270x-2gb-ddr5-pci-express-3-0-graphics-card-black-silver/2091002.p?id=1219068840893&skuId=2091002