Electricity Usage (was Wireless Cards)
jason at lunkwill.org
Mon Nov 7 00:15:19 MST 2005
On Sun, 6 Nov 2005, Shane Hathaway wrote:
> Some other figures I've gathered: My desktop machine, an AMD64 3200 with a
> SATA drive and a low-end NVidia card, draws 75W most of the time and 120W
> when it's computing a lot. It has a 480W PSU only because I don't want to
> worry about meeting the current requirements for each power rail. The
> "ondemand" frequency scaling accounts for a savings of about 8W (it reduces
> 83W to 75W.) My 19" LCD monitor draws 30W; it replaced a 15" CRT that drew
> over 100W. My laser printer consumes 10W when it's idle and 700W when it's
> heating up.
I've wondered about computer power usage for ages. Thanks for posting that!
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