GF100 was bad, and only GF100. It's poor efficiency was necessary because they needed to get Teslas and Quadros out yesterday, by that time. They will need to make power efficiency a very high priority going forward, but everything since the GF104 has been at least good enough, and the expectations the FUD were based on generally involved Fermi after GF100 to be nothing but cut-down GF100.
In the conference call JHH specifically mentions that the GPU engineers put allot of hard work in to maximize power efficiency. On the mobile Keplers, they are seeing better thermals and performance and getting more design wins.
Personally, I doubt they'll bother with 28nm PC GPUs this year. They can already get premiums for their 40nm GPUs, and they really can't afford the PR of another late one like that. Better to have a lax schedule and it out early or near on time, than an aggressive schedule and fumbles, even if AMD can radically beat them in performance per Watt for several months. They need Fermi++ to get out the door perfectly, much more than they need it to get out the door quickly.
I was thinking 2012, not 2011 - so you are correct and the babble below was produced due to a random bit error in my brain
Of course they'll put out desktop Keplers this year. Since the implementation of Kepler is going so well, they will definitely want to claw back some market share from AMD. Though, NV will do that while making good profits as well (unlike ATI/AMD). Kepler seems poised to give NV a solid performance bump with lower thermals, which would keep them in the lead performance wise and negate ATI's only advantage (better thermals).
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