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German resource published information that seems possible to consider as official final specifications of graphics accelerators AMD RV770XT and RV770PRO, also known under the names: ATI Radeon HD 4870 and 4850.

Flagman product will have the following specifications:

* GPU Process Technology: 55 nm
* GPU frequency: 850 MHz
* Shader block: 1050 MHz
* Memory: 1935 (3870 MHz)
* Stream processors: 480
* TMUs: 32
* ROPs: 16
* Productivity (GFLOPs): 1008 (drawn mark in 1 TFLOPs)
* Texturing speed: 27200 MT/s
* Memory interface: 256 - bit
* Memory: 1024 MB
* Memory type: GDDR5
* Memory capacity: 123.8 GB/s
* TDP: 157 W
* Recommended retail price: 349 dollars

Together with the flagship of June 18 will also produce a middle class, ATI Radeon HD 4850. Its specifications are as follows:

* GPU Process Technology: 55 nm
* GPU frequency: 625 MHz
* Shader block: 825 MHz
* Memory: 1143 (2286 MHz)
* Stream processors: 480
* TMUs: 32
* ROPs: 16
* Productivity (GFLOPs): 792
* Texturing speed: 20000 MT/s
* Memory interface: 256 - bit
* Memory: 512 MB
* Memory type: GDDR3
* Memory capacity: 73.2 GB/s
* TDP: 114 W
* Recommended retail price: 249 dollars

Well, now about the novelties is known, in fact, everything. It would be interesting to look at their appearance. I think partners AMD, who received a notice, given by the source, will not be slow to share with us images of the final product until 18 June.

Source: Hardware-infos