Associates report that the RV790 chip will be released on the old 55 nm technical process, and the first 40 nm video chip from AMD will become the RV740, which will appear only during May .
It is assumed that on base of RV740 chip will be released two video card : Radeon HD 4770 (RV770XT) and Radeon HD 4750 (RV740PRO). The first will work at the frequencies 700/3600 MHz and equipped with 512 MB GDDR5 memory , the second will obtain 1 Gb GDDR3 memory with similar video chip frequency . Both video card will use a three-phase power system .
The recommended retail Radeon HD 4770 ($119) price will compete with GeForce GTS 240, and Radeon HD 4750 ($99) ( analog to GeForce 9600 GT ).