At the beginning of October 2008, AMD replaced the junior lines of graphics accelerators, offering the buyer instead of the ATI Radeon HD 3400 and Radeon HD 3600 series

The main difference between the more affordable Radeon HD 4650 model is the use of slow DDR2 memory.

The budget RV730 graphics chip received only 320 stream processors combined with 32 texture units.

The budget RV730 graphics chip received only 320 stream processors combined with 32 texture units.

Radeon HD 4770 was officially announced on April 28, 2009.