AMD ATI Radeon HD 3870 and 3850: 55nm RV670 @ HotHardware
 

*Source: HotHardware (http://www.hothardware.com/articles/..._55nm_RV670/)*
_____________
Today AMD finally takes the wraps of their new ATI Radeon HD 3870 and 3850 cards, based on their RV670 GPU. At 55nm and 320 Stream Processors strong, these new cards are set to do battle with the likes of a Gefore 8800 GT and GTS.

More...