AMD is launching yet another new ATI Radeon graphics card today. And in light of the current worldwide economic conditions, along with the performance and power consumption data we’ll be presenting you on the proceeding pages, we suspect it’s going to be a welcomed addition to the company’s already potent graphics card line-up.You see, the brand new Radeon HD 4770 is AMD’s first mainstream desktop GPU manufactured using a 40m process, and as such, it is more economical for the company to produce (with a smaller