RV790: 55 nm Manufacturing Process
A lot has been said about ATI's RV790. Clues about the new gpu surfaced in the last November when was clear that AMD was working on a successor to the RV770. A german website, Hardware-Infos, reports that RV790 will be built on the newer improved 55 nm manufacturing process. The new gpu may get a little help from its superior silicon fabrication, foundry partner codename is 55GT, which makes it more expensive to manufacture. According to the source there are two RV790 engineering samples: a base model and an overclocked model. The base model comes with the same clock speeds as the RV770XT: 750/900 MHz (core/memory), while the overclocked model comes with clock speeds of 850/975 MHz (core/memory). The core voltage is 1.24V for the base model and 1.30V for the overclocked one. Products based on RV790 are expected by April.
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