By Doug Crowthers 10 February 12 With AMD reportedly set to release its Radeon HD 7700 series next week, we get our first peek at the specifications of the HD 7770 and HD 77501600x900 19x1080 2560x1440 3840x2160 The Radeon HD 7770M was a mobile graphics chip by AMD, launched in April 12 Built on the 28 nm process, and based on the Chelsea graphics processor, in its Chelsea XT variant, the chip supports DirectX 12 Even though it supports DirectX 12, the feature level is only 11_1, which can be problematic with newer DirectX 12 titlesAMD Radeon™ HD 7770 GHz Edition Previous Drivers Share this page Open shopping cart AMD Radeon™ HD 7770 GHz Edition Previous Drivers to operate beyond their stock specifications will void any applicable AMD product warranty, even when such overclocking is enabled via AMD hardware and/or software This may also void warranties Specification R7770 Pmd1gd5 Msi Global Sapphire amd radeon hd 7770 specs