semi-green computing
Zbigniew Koziol
softquake-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Wed Feb 18 18:13:16 UTC 2009
S P Arif Sahari Wibowo wrote:
> On Tue, 17 Feb 2009, Matt Price wrote:
>> a second seat/x-session on which my kids can surf the internet, type
>> up homework, and also play educational games
>
> I am wondering whether it is not more energy efficient to have a
> couple of less powerful low powered laptop / netbooks with no moving part?
Newer processors tend to have better performance normalized by their
power consumption. The last diagram on this page illustrates that:
http://www.tomshardware.com/reviews/intel-cpu-power-consumption,1750-10.html
Hence, in general, the answer will be negative.
> Maybe even an OLPC powered from foot pedal?
I bet that using electricity provided from power plant is much more
energy efficient than creating electricity from food we are eating by
our organism ;)
>
> Other thing to think about is the power requirement and waste to
> manufacture the computer and to throw away old computers. Wouldn't it
> probably more green to get a couple of old servers, keeping them from
> being thrown away, eventhough they use more power? I actually
> wondering if one can get pretty powerful machine and run it
> underclocked (so it run much cooler and less heat), will it be more
> power efficient per processing power than running less powerful
> machine as its specification (which will have more heat)?
>
zb.
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