[mythtv-users] silent and low-power: AMD or Intel?

[John Drescher]

On Wed, May 27, 2009 at 7:11 PM, Jean-Yves Avenard <jyavenard at gmail.com> wrote:
> Hi
>
> 2009/5/27 John Drescher <drescherjm at gmail.com>:
>> either manufacturer and use cpu frequency scaling. The chip will use
>> less than 20W at idle and at the lowest frequency. Also use
>> independent drives instead of a raid. That way you may be able to
>> power down drives when not in use.
>
> AFAIK and it was discussed on this list, frequency scaling on Intel is
> only useful to limit a processor from over-heating and will not change
> the power consumption significantly, if at all
>
I will have to examine that with my Intel Q9550. I know on AMD CPUs
this saves a significant amount of power. I mean 95W+ AMD chips do
pull in 16 to 18W at 1GHz and ~1V instead of ~3GHz and 1.25V.

John