AMD Cayman info (or rumor)

[generics_user]

* 2.15 billion 40nm transistors
* TeraScale 2 Unified Processing Architecture
o 1600 Stream Processing Units
o 80 Texture Units
o 128 Z/Stencil ROP Units
o 32 Color ROP Units
* GDDR5 interface with 153.6 GB/sec of memory bandwidth
* Engine clock speed: 850 MHz
* Maximum board power: 188 Watt

so according to current rumors 6950s raw processing power (1536 SPs) is 10% higher than 5870; together witht he supposed to be more efficient shader setup this thing should be able to beat the 480 and 6970 should be on par with the 580 (if we consider the gap between 50 and 70 cards of previous series)