Zhi Li wrote:
> All,
> 
> I'm working in a project which study energy saving on PCs. I saw a
> strange thing which was opposite to my intuition: when PC working on
> graphic mode, it would be more energy saving.
> 
> When in graphic mode, on my PC, it is 52w; when I switched to terminal
> mode(on linux alt-ctrl-1), it is 55w.
> 
> I also tried to init 3, then startx, the result is same.
> 
> Does anyone here know why?
Know - no. But drawn from my experience, such figures vary widely with
Hardware and Software. I'd also suspect modern chips may not be
optimized for a mode which the average machine runs ca. 0.2 sec/boot
(before switching to some super-important branding screen). It's not
considered worth the extra effort to make it work well, instead of just
work.

So as long as you don't nail it to a particular config, there's 1000s of
reasons.
> 
> Thanks
> Zhi
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