If I like to read rumours, these are the ones I like to read: THE INQUIRER has received several tips recently regarding ATI's R350 and RV350. The first reiterates that ATI's R350 is being built on a 0.15 micron process. ATI's RV350 mainstream part is however being built on a 0.13 micron process. What is new is that both the R350 and the RV350 have already taped out with their production partner TSMC, which did not do quite as good a job with their friend Nvidia.
ATI has been more conservative in its process selection by relying on TSMC's proven 0.15 micron copper process without a low k dielectric. News source: Warp 2 ... The Inquirer for the full rumour mill read.