Benchmark Reviews posted a review on the ATI Radeon HD 4770 RV740 DDR5 Video Card

Sometimes an industry first doesn't mean a new champion is born. The ATI Radeon HD 4770 introduces the 40nm RV740 GPU paired to 512MB of DDR5 video frame buffer memory, and a double-height cooler allows the ATI B743 model video card to operate at 750MHz. Initially expected to sell at the $100 mark, could this be the mainstream graphics accelerator for the masses? Benchmark Reviews compares the Radeon HD4770 against a large collection of performance tests in this article.

ATI Radeon HD 4770 RV740 DDR5 Video Card Review