I need sone hjelp to my rig. Im using guiminer and i want to use cgmimer but i dont get as good hash rate
So could anyone send me some config files



- XFX Radeon R9 280x 3gb GDDR5

- XFX Radeon R9 290 4gb GDDR5

- Sapphire Radeon HD 7970 3gb GDDR5