The dams are open and the information on Radeon HD 6800 are flooding the web even though AMD is trying to patch any leaks toward the media. The latest shows pictures of what is said to be a naked Radeon HD 6870 graphics card revealing more about the layout and design of the card.
The pictures published at it168.com shows the angular Barts GPU and 4 phase power supply and two PCIe 6-pin power connectors. The black PCB also holds eight 128MB GDDR5 circuits and it is noticeably shorter than Radeon HD 5870, which will be a more powerful card though.
AMD Radeon HD 6870
AMD Radeon HD 5870
As you can see the graphics circuits is a bit smaller and with fewer stream processors this seems reasonable. The difference in performance between the two cards is something we will be able to tell you in the near future.
Source: it168.com