Radeon HD 7000 Series Specs Leaked

We are taking this information with a big grain of salt, nothing is confirmed whatsoever and we have no idea where these specs where obtained from. Wccftech reports the following, and I'll do a shameless blunt CC here:

Specifications and Details of AMD?fs Upcoming HD7000 Series Graphic cards have been leaked. The Upcoming Next Generation Graphic chips from AMD Codenamed ?gSouthern Islands will be based on a 28nm TSMC Process and would release in Q4 2011. The codenames of these chips were already revealed.

Following is the Complete list of GPU?fs included in AMD?fs Southern Islands Lineup:

• New Zealand GCN HD 7990

AMD would once again release a flahship dual chip card codenamed HD7990 (New Zealand). This GPU would be based on two Tahiti XT/Pro Cores which are mentioned below. Max Stream Processors count would be somewhere around 4000 ALU?fs and the card would feature a TDP of >300W.

Following are the Tahiti, Thames and Lombok based GPU details:

• HD 7970: 256bit/1000MHz/32CUs/2048ALUs/128TMUs/64ROPs/XDR2 8.0Gbps 256GB/S /190W TDP/ 2GB Memory
• HD 7950: 256bit/900MHz/30CUs/1920ALUs/120TMUs/64ROPs/XDR2 7.2Gbps 230GB/S /150W TDP/ 2GB Memory

The HD7970 (Tahiti XT) will replace the current HD6970 (Cayman XT) Card, It would feature 2048 Stream Processors running at 1000Mhz with a max 190W TDP and 2GB GDDR5 256bit wide Memory interface compared to the 1536 Stream Processors @ 880Mhz of the HD6970 GPU.

The HD7950 (Tahiti Pro) would be the replacement for HD6950 (Cayman Pro) featuring 1920 Steam Processors clocked at 900Mhz with a 2GB memory buffer and rated TDP of 150W, While the older 6950 featured 1408 Stream Processors clocked at 800Mhz and 160GB/s memory bandwidth compared to 7950?

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