According to clubic.com http://www.clubic.com/actualite-22114-r580-termine-mea-culpa-de-dave-orton-sur-le-r520.html
This is babelfish translation:
"One learns at the moment that R580, successor of R520, have just returned from the factories of production of ATI in version taped-out, i.e. that the chip is finished and functional, and this of the first blow whereas it had been necessary not less than three attempts for R520. With the delay accumulated on R520, which shows three months of time well, ATI had time to make to floor its engineers on the changing of R520. Developed by a team different from that which conceived R520, R580 should be characterized by an architecture slightly different from R520. Although R580 can ready earlier than be envisaged, ATI will launch in first R520 and this October beginning. The commercial name of the chip is not yet known but obviously the Radeon mark will be preserved.
In an interview granted to a Finnish site the CEO of ATI, Dave Orton recognized the problems encountered with R520. This one indicated that after the successful development of Xenon in 90nm, graphics chip which equips XBox 360, ATI was trustful on the future of the R5xx family. The RV515 which aims at the entry of range and about which we spoke in a news preceding A besides also developped him at the point without the least problem. The RV530 and R520 are for their part born in the pain. Dave Orton indicate on their subject: "Although simulations all carried out seemed correct there were no badly problems with the first chips when they returned from the factory. We were also surprised that the RV515 and RV530 however conceived by the same team and manufactured in the same factory give different results "
Dave Orton also states that the use of the 90nm on all the new family of graphics chips comes from the initial success of Xenon which gave confidence to the teams of ATI for a total migration of the manufacturing processes. Last year for example ATI had chosen the 110nm that on certain chips, preserving the 130nm for others. Chairman and managing Director of ATI concludes that today the results of R520 and RV530 seem excellent what indicates a very good placement gone in term of performances and quality for this autumn when they are available..."
This is babelfish translation:
"One learns at the moment that R580, successor of R520, have just returned from the factories of production of ATI in version taped-out, i.e. that the chip is finished and functional, and this of the first blow whereas it had been necessary not less than three attempts for R520. With the delay accumulated on R520, which shows three months of time well, ATI had time to make to floor its engineers on the changing of R520. Developed by a team different from that which conceived R520, R580 should be characterized by an architecture slightly different from R520. Although R580 can ready earlier than be envisaged, ATI will launch in first R520 and this October beginning. The commercial name of the chip is not yet known but obviously the Radeon mark will be preserved.
In an interview granted to a Finnish site the CEO of ATI, Dave Orton recognized the problems encountered with R520. This one indicated that after the successful development of Xenon in 90nm, graphics chip which equips XBox 360, ATI was trustful on the future of the R5xx family. The RV515 which aims at the entry of range and about which we spoke in a news preceding A besides also developped him at the point without the least problem. The RV530 and R520 are for their part born in the pain. Dave Orton indicate on their subject: "Although simulations all carried out seemed correct there were no badly problems with the first chips when they returned from the factory. We were also surprised that the RV515 and RV530 however conceived by the same team and manufactured in the same factory give different results "
Dave Orton also states that the use of the 90nm on all the new family of graphics chips comes from the initial success of Xenon which gave confidence to the teams of ATI for a total migration of the manufacturing processes. Last year for example ATI had chosen the 110nm that on certain chips, preserving the 130nm for others. Chairman and managing Director of ATI concludes that today the results of R520 and RV530 seem excellent what indicates a very good placement gone in term of performances and quality for this autumn when they are available..."
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