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Disable dedicated graphics card for power saving

Tags:
  • Power Consumption
  • Graphics Cards
  • Processors
  • Graphics
Last response: in Graphics & Displays
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August 11, 2013 2:17:35 AM

I want to buy a new desktop PC system with haswell processor. Most of the work I do on the PC does not require a dedicated graphics card, but I would like to be able to play the more sophisticated games now and then. To save power consumption, I would like to have the possibility to only use the dedicated graphics card when really needed, as the dedicated graphics card still uses about 80w in idle state (iGPU would be far less I think).

Numerous topics are there about this topic on the web, but I could not find a good solution.

Solution could be to be able to disable the PCIe slot from the motherboard, but I couldn't find a motherboard which has this option. Anyone knows a motherboard for Haswell processors which has this capability?

Another solution would be if the graphics card would be able to redirect tasks to iGPU and disable their own GPU (few years ago nvidia had some solution for this called hybrid boost/power), but I couldn’t find any (recent) graphics cards which support this. Anyone knows a solution with graphic cards?

More about : disable dedicated graphics card power saving

a b U Graphics card
August 11, 2013 4:09:31 AM

you could disable it from windows but then you card will still consume power. or try changing the option in the bios to onboard & perhaps it will disable the card power
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a b U Graphics card
August 11, 2013 4:39:11 AM

don't be too stingy, only laptops could make dedicated graphic disabled for power saving 'cause laptop is more sensitive on graphic card.

Plus, when your gfx is idle, even for GTX TITAN, it would consume nearly 10-20W instead. So don't bother about that. When gaming, your gfx will be auto activated but for everyday usage it will stay idle unless u assign the programs to use the gfx.
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August 11, 2013 9:35:22 AM

Ok, I see now that the whole system is using 80w in idle (thought it was just the graphics card). Thx
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