The last time a chip company talked about "Efficiency" in this way, we got +10 years of 5% increments in performance and 50% in price increases for 2 and 4 core CPUs..
I know it's my PTSD, the words make sense but I really hope this is not code for "we can't get much more performance out of our architectures, so we'll focus in selling "efficiency".. "
I really hope I'm wrong, since the power consumed by this chips has gotten a bit out of hand ( not as much as the GPUs.. )