A1311 Graphics Cards GPU

2009 to 2010 – ATI Radeon HD 4670 256MB

PPN: 109-B80357-00
APN: 661-5308, 661-5539

2010 – ATI Radeon HD 5670 512MB

PPN: 109-B98557-00, 216-0729051
APN: 661-5546

Mid-2011 AMD Radeon HD 6770M 512MB

PPN: 109-C29557-00, 216-0810001
APN: 661-5967

Late 2011 AMD Radeon HD 6750M 512 MB

PPN: 109-C29557-00, 216-0810005
APN: 661-6023