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GPU @ Idle = lower electrical usage

C

capreppy

[H]ard|DCer of the Month - April 2009
Joined
Jul 4, 2007
Messages
3,410
This is a dumb question that I am willing to ask and others might not, so I am asking for those that might not :D

If I have 2 x 9800GX2 in a rig and they are sitting idle (no GPU2 client running), will it still need as much electricity as when it is running full bore? Short of taking them out of the boxen, how can I best reduce the electrical footprint of these?

Obviously the heat is reduced as well and part of what I am going for. There is obviously still some heat even at idle, but it should be reduced significantly.

Thoughts? I am thinking of replacing the 3 x 9800GX2 with an i7 930 as it will cover any production lost and reduce power needs and heat output. The sale of the 9800GX2's would help fund the cost of the next i7 build. The reduction in electrical costs will definitely help to fund the SR-2.
 
They use much lower power in idle (think 100-175W less each?). You could downclock them even more in 2d (idle) mode, or undervolt them.

If you want an SR-2 you need to buy Xeon processors.
 
sushiwarrior said:
They use much lower power in idle (think 100-175W less each?). You could downclock them even more in 2d (idle) mode, or undervolt them.

If you want an SR-2 you need to buy Xeon processors.
Click to expand...

2d idle is a good idea. I may just need to go out and buy some cheap PCI video cards to completely reduce the overall electrical signature. I have an nVidia 7400 or something like that. It is a PCI card and did try that with one of my rigs while I was working on OC'ing and before I moved the GX2's into it.

On the SR-2, I did know that :D

I've been following the eVGA forums for this board extensively as have many others in this sub forum.
 
I have some HD2400's and 2900's (with dual display ports) I could trade for those 9800gx2s :D:D how many would it take to make it fair trade?

2400's are like this with a dual VGA break out cable.
LINK
 
I know someone with a 4650 that takes very low power and who would probably give ya a deal...

/blush
 
I only need one so not much of a trade :D

I already have one nVidia 7400 for one rig and I only have one other rig with a GX2 in it.
 
The 9800GX2 uses about 75W more at load than at idle, which is a lot less than what I thought it would be. So if you're not using them the best bet would be to just take them out, seeing as even at idle they still use a heck of a lot of power.
 
I was hoping for a larger delta, and therefore even less heat :(

I only need one other cheapy GPU. For now, I'll keep them going, but as soon as summer really hits in TX, they will be coming out and going into the DC FS Forum. I can use the funds to go ahead and get my mAXT build which will have a 930 to cover the PpD difference.
 
The 13.50$ 8400 GS is your friend, I'm sitting on 4 of them right now
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