Sgolds, Re: So far I only see that the process hits a wall around 3GHz. Will they have any problems with a 2GHz processor?
How can you say something so silly? They have already demonstrated a 7GHz ALU, among other high frequency parts, on the same process. Frequency is not solely a process limitation. It is a design limitation based on the number of transistors in the longest string of combinational logic in any one of the pipeline stages times the time delay of each transistor. Obviously, small process improvements will reduce the time delay between the transistors slightly, and speed path fixes will reduce the number of transistors in the longest piece of combinational logic. Perhaps it's more accurate to say that the current stepping of Prescott is high volume up to 3GHz (although lower volume parts seem to have been released up to 3.4GHz). Dothan is a completely different CPU micro-architecture. There is no reason to believe at this point that Dothan will face the same clocking limitations of Prescott.
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