The Tech Report posted a review on AMD's Radeon HD 4770 Graphics Processor
A quote from the article:
>> AMD's Radeon HD 4770 Graphics Processor Review
This latest Radeon is the world's first 40nm GPU and a budget wonder. We've explored its performance in new games from different genres, with an eye toward the GPU makers' special sauces: DirectX 10.1 and PhysX.
>> AMD's Radeon HD 4770 Graphics Processor Review