It seems like they have just taken the top end single gpu card from the 7000 series and pumped more electric in to it, and that's where the extra performance is coming from ! Seriously were the engineer guys away on holiday for the last 18 months ?? For me anyway this is very disappointing, I'd hoped for something much better to inject the market with a real performer and create some proper competition. I mean Nvidia's reworked 780 will probably take the crown back for fastest single GPU card in a few weeks putting AMD right back to second place again.