All 3 GPUs are similarly priced (the Gigabyte is a bit more).
http://www.gigabyte.com/products/product-page.aspx?pid=3630#ov
http://www.sapphiretech.com/presentation/product/?psn=0001&pid=497
http://www.asus.com/Graphics_Cards/AMD_Series/EAH6850_DC2DIS1GD5V2/#specifications
The gigabyte is factory over clocked to 820MHz but can't be over clocked much more than this whereas the Sapphire and Asus can be over clocked to about 950 MHz.
I want the card to run games at 720p and also build a Hackintosh.
http://www.gigabyte.com/products/product-page.aspx?pid=3630#ov
http://www.sapphiretech.com/presentation/product/?psn=0001&pid=497
http://www.asus.com/Graphics_Cards/AMD_Series/EAH6850_DC2DIS1GD5V2/#specifications
The gigabyte is factory over clocked to 820MHz but can't be over clocked much more than this whereas the Sapphire and Asus can be over clocked to about 950 MHz.
I want the card to run games at 720p and also build a Hackintosh.