Which of these two cards will offer excellent performance for my build? What are the differences between the two?
The Build: http://pcpartpicker.com/p/yGksf7
Option 1: http://www.sapphiretech.com/presentation/product/product_index.aspx?cid=1&gid=3&sgid=1227&pid=2091&lid=1
Option 2: http://us.msi.com/product/vga/R9-290-GAMING-4G.html#hero-overview
The Build: http://pcpartpicker.com/p/yGksf7
Option 1: http://www.sapphiretech.com/presentation/product/product_index.aspx?cid=1&gid=3&sgid=1227&pid=2091&lid=1
Option 2: http://us.msi.com/product/vga/R9-290-GAMING-4G.html#hero-overview