http://en.expreview.com/2009/06/01/...28nm-parts.html

Though TSMC is set to unveil Reference Flow 10.0 for the 28nm process at the Design Automation Conference (DAC) in July 2009, AMD has already decided to turn to GlobalFoundries, according to the information Brightsideofnews has grabbed from someone “close to the GPU heart of AMD”.

ATI’s initial DirectX 11 lineup will be little more than current RV7×0 series, and the internal details such as caches and registers will be expanded in order to accommodate DirectX 11 requirements, and the Radeon HD 4800, HD 4700 and HD 4400 are to be manufactured in 40nm process over at TSMC.

40nm yield will be headache for both NVIDIA and AMD, and AMD will switch its GPU production to GlobalFoundries in the first half of 2010, with the launch of 28nm Bulk silicon process. Then AMD will release the first “native” DirectX 11 architecture, and AMD will move directly to 28nm from 40nm.