[mythtv-users] Quick opinions

[belcampo]

Robin Hill wrote:
> On Sat May 30, 2009 at 10:22:07AM -0700, Andrew Burgess wrote:
> 
>> On Sat, 2009-05-30 at 13:13 -0400, Raymond Wagner wrote:
>>> Andrew Burgess wrote:
>>>> So the beefier 95w one uses less energy for a given amount of work 
>>>>   
>>> How did you come to that conclusion?
>> If it ran twice as fast at twice the power it would only run half as
>> long so use the same energy (energy = power * time). But it runs more
>> than twice as fast so would run less than half as long so less energy.
>>
> You're misunderstanding the figures then - the 2.6/2.7 quoted earlier is
> a ratio, not a multiplier (i.e. about a 1.04x multiplier), so in fact
> the faster processor is a lot _less_ efficient.
For those inteterested in Computing power per Watt
http://www.clustermonkey.net//content/view/211/1/
> 
> Cheers,
>     Robin
> 
> 
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