> Seriously though, take an x86 system with a processor built at the
> same sized process (90nm?) and compare the total energy consumed to
> perform a task.
I do not have a 90nm x86 around, but I have a recent atom D510.
So here are the result of the superscientific benchmark, the fight
between a 45nm Intel Atom, 21W of horsepower, and its challenger from
China, the 90nm(?) Loongson consuming 12W, and they are competing over
this simple yet very acute and so representative CPU task :
echo 'define f(x) { if (x == 1) return(1); return (x*f(x-1)); } f(10000)' |bc
And the results are :
Atom: 7.9s
Loongson: 22.8s
So, all in all, once corrected by the different applicable factors and
all other things being equals, and taken the different feature sizes
into account and so on, I'd say the results speak for themselves, don't
they ?
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