GPU Cafe published the full specifications of the Radeon HD 4650 and Radeon HD 4670 graphics cards. These two mid-range cards feature 320 stream processors and will be released next month. The Radeon HD 4670 is expected on September 10 and features a 750MHz core along with 512MB GDDR3 clocked at 1000MHz. This chip will have a 70W TDP.
The Radeon HD 4650 will follow a bit later, on September 24, and will feature a 600MHz core. This card will have 512MB GDDR2 clocked at 667MHz and will have a TDP of 55W.