AMD

Apple A1224 iMac 20" ATi Radeon HD 2600 Pro Graphics/Video Card 2007/2008 GPU

Apple iMac 21.5" A1311 Mid-2011 ATI Radeon HD 6750m Graphics Video Card

Apple iMac 21.5" A1311 ATI Radeon HD 4670 Graphics Video Card Late 2009 HD4670