Please elucidate what you are saying. It doesn't make sense to me. The only advantage the Quad Q8400s to have would be in the graphics chip energy utilization, and I would expect the SB to do better. I would also expect the SB to accomplish much more with each cycle... and it appears to self under volt and self underclock in a manner the Q8400s can't. And I think it is a jumpt of 2 generations... though that shouldn't count.
I only compare the CPU and if the Q8400s will exist in 32nm to be equal with core i5 or i7 manufacturing process the Q8400 will outperform in performance/Watt so the new CPU architecture is less energy efficient the only thing that helps is the better manufacturing technology.
When I refer at generations I'm only referring to manufacturing technology. I will not buy a new system every year just for minor improvements I need a minimum of 2x performance gain at the same power consumption 4x will be better.
I just read a bit more and the first 22nm will be available by the end of this year but they are based on the same sandy bridge architecture that I do not like to much so I think I will skip this also hopefully I will get something better by the mid of 2012.
My next system need to be as good or better than 50W at full load and minimum of 2x performance but 4x will be more expected since according to some law
the number of transistors in a chip will double every 18 months and my Q8400s was purchased in summer of 2009 and my next purchase will be in 2012 so 3 years and I will expect 4x performance but I'm not to optimist about that no 16 core announced
The transistor density will be 4x since is 22nm vs 45nm but the performance will likely only be a bit over 2x thy will just use more cache that dose not help that much in performance.
I prefer passmark for reference and my CPU is about 3700 points and do not forget that Q8400 dose not use turbo frequency.
Also there is no application right now to need more than my Q8400 except maybe for 3D rendering that I did almost all week but there nothing is good enough