[mythtv-users] Quick opinions

Robin Hill myth at robinhill.me.uk
Sat May 30 17:38:06 UTC 2009


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.

Cheers,
    Robin
-- 
     ___        
    ( ' }     |       Robin Hill        <myth at robinhill.me.uk>  |
   / / )      | Little Jim says ....                            |
  // !!       |      "He fallen in de water !!"                 |
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