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Hawaii: How do I Disable GPU to save Energy??

Last response: in Graphics & Displays
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December 15, 2010 5:02:02 PM


I live in Hawaii. The electricity costs here are enormous,
with taxes and add-in costs, the average kilowatt is
.45 cents, or about half a dollar. An HD-5770 draws more than 125w at idle!
Websurfing or office apps don't need the raw power that games do. It seems
like a big waste.

Is there an easy way to disable a GPU card in favor of
the onboard vidio for those times when I don't need
it? (other than removing the card)

Can ya turn it off at boot up (bios), then switch the DVI plug into mobo?
Use a KVM switch?

I'm building a new rig with gaming capability, and thought I might get an ASRock mobo with
on-board video, with the idea of swapping between the GPU card and the energy hungry onboard video.

Any insight would be much appreciated.




a b U Graphics card
December 15, 2010 7:04:09 PM

No easy switching there... "Run with what you brung" or swap it out with a lower power card. Going with a new MB with a GPU is a good option also if you are not gaming.
December 15, 2010 7:10:52 PM

Okay, I was afraid of that.

Are there conflict problems with having both; does having onboard vid hurt
the performance of an add-in GPU?

As I understand, uh, with ATI, there are some "crossfire" offerings between onboard vid and GPU. Is that worth the bother?

Thanks.
Related resources
December 15, 2010 7:28:56 PM

Well,because my country has a large cost per kilowatt,here's what I do:
I use a laptop and a netbook for office apps and 2d work and my watt cruncher desktop while gaming.
a b U Graphics card
December 15, 2010 8:01:17 PM

Yes, you might want to purchase an extra low-power computer.
It probably sucks as the money per kilowatt in Canada is about 8 cents per KW

Best solution

a c 355 U Graphics card
December 16, 2010 6:56:02 AM
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From the review you linked:

Quote:
For this test we hooked up our power supply to a UPM power meter that will log the power consumption of the whole system twice every second.
December 16, 2010 4:20:31 PM

Doh! Thanks for catching that, I certainly didn't.

Gives cause for me to ditch the contemplation
of using a 45w quad.
December 22, 2010 11:34:35 PM

Best answer selected by hamlet_jones.
!