Deneb just around the corner?

[Jazzman]

i think amd said at one point it would be 25% on server and it sounds optimistic to me as well but they are designing the chips for servers and the desktops come as an added bonus.

Found a quote HERE. This may have been quoted in the our Deneb thread but a quick scan by me did not uncover it. This is likely just marketing but I thought it was worth citing for the record.

A vice president of Advanced Micro Devices said in an interview that the forthcoming quad-core AMD Opteron processor code-named Shanghai will have roughly 35% performance advantage over predecessor at the same clock-speed. If the information is correct, then AMD’s chips will have all chances to challenges products by arch-rival Intel in the higher-end segment.

Pat Patla, general manager of AMD’s server and workstation chip business, said in an interview with IDG News Service that AMD Opteron “Shanghai” would “give a 35% performance boost over Barcelona on average” and would also trim power consumption by 35%, which automatically transforms into colossal performance per watt improvements over existing quad-core AMD Opteron processors.

I suspect that Pat's words are misinterpreted by the author. I think Informal's math exercise is closer to how we could see 35% improvement.

2.7Ghz(SH) vs 2.5(Barc).So it is 25% clock for clock (135/1.08=125,or 25%;100 is 2.5Ghz Barc ,135 is SH @ 2.7Ghz).
25% should be average(or close to it) increase for server workloads.Desktop should be somewhat lower,but still a good 10-15%(this can vary of course).What is important as much or even more as IPC is fact that clocks will go up dramatically(stock and OCs) and power draw will go down dramatically.In my book it's success

Just for reference,compare the AM2 or even AM3 version of Deneb working @ 3.2Ghz versus now shipping Agena@ 2.6Ghz:
3.2Ghz Deneb should be as fast as 3.2*1.1=3.52Ghz Agena ,if we take a lower end(10%) of the projected IPC improvement
3.52/2.6=1.35 or 35% faster

OR if we take 15% of IPC improvement(higher end of the projection,less probable):
3.68/2.6=1.41 or 41% faster

Or least probable(server projected IPC improvement,least likely to be seen on desktop):
3.84/2.6=1.47 or 47% faster