AMD HD 7000 series 28nm mobile GPU , first specification leaked and performance revealed

The new AMD HD 7000 series 28nm mobile GPU specification appeared and primary performance revealed.

The fist information about the next AMD 28nm mobile GPU linup is out , donanimhaber guys managed to get unofficial AMD The high-end GPU information which code named "Wimbledon" , this chip is for sure will be used in Mobility Radeon HD 7000 series, the chip is expected be ready for production in Q2 2012. 

The new mobile aimed GPU will use MXM 3.0 form factorand expected to be 1.4 times faster than fastest moble GPU available , the Blackcomb HD 6000 GPU series, the Wimbledon is interconnected with 2GB of GDDR5 via 256bit memory interfaceand having a TDP set at 65 Watt+.

Update : Donanimhaber.com posted more details for the lineup and the new four 28nm mobile GPUs performance compared , the Wimbledon ultra high-end GPU will be followed by Heathrow, Chelsea and Thames.
Heathrow GPU will most likely have two versions, with either 128 or 192-bit memory interface and its 1.3 times faster than the performance class Chelsea GPU with TDP between 35 to 45W.
The Chelsea use a 128-bit memory interface and include 1GB GDDR5 or 2GB of GDDR3 memory , the TDP is betwen 20 to 30W and should be 1.3 times faster than 40nm GPU Whistler GPU.

The last one is the Thames 28nm GPU, which use 128-bit memory interface and TDP here is between 15 and 20W , the Thames is 2 times faster than the Seymour,  a 40nm GPU also scheduled for early 2011.