AMD will launch its ATI Radeon HD 5700-series GPUs, including the Radeon HD 5770 and 5750, in October, according to sources at graphics card makers. A Monday DigiTimes report maintains that ATI will also release Radeon 5800-series graphics chips on September 22nd, while the 5870 X2 (R800) has been slated for November.

The same sources also see AMD unveiling 5000-series graphics chipsets for notebooks, including the flagship ATI Mobility Radeon HD 5800, the 5700 for performance applications, the 5600 for more common uses, and the 5400 as the entry-level offering. The mobile GPUs were first seen last week.