The new graphics cards AMD Radeon HD 7770 GHz Edition HD 7750 and presented by AMD. The AMD Radeon HD 7770 GHz Edition is the first graphics card with reference engine clock that goes beyond one gigahertz – making it the first 1GHz GPU in the world.
Read moreThe AMD Radeon ™ HD 7770 Surpasses the Limits of GHz (Video)