how many power do graphics card really use?

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Jacob Bowerman

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Dec 2, 2013
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ok so i know each GPU needs a minimum PSU for the system for example lets take this one http://www.pccasegear.com/index.php?main_page=product_info&products_id=23837

however in many youtube videos and websites and with various GPU's they never meet the 500W, even at there full potential. intact they don't even come close... so my question is, is there a website or formula or something i can use to tell how much power the GPU's really need
 
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BluePhantom

BluePhantom

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500w is just a very common "safe" zone for basically all average builds that include one motherboard, cpu, hdd, video card and the odd other little add-on (wireless card or whatnot). It will run them with no problems and not push the PSU to its max forcing it to fail. That is traditionally why they all claim 500w
 
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Jacob Bowerman

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when i put in a single GPU, EG it said 304w for my GPU. is that the average it will sit at... or the maximum power it will use?
 
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lmaonade200

lmaonade200

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Oct 31, 2013
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modern single GPU systems typically draw about 200-300W from the wall in a common gaming load, it usually never reaches the rated power of most PSUs, but the GPU manufacturer often puts exaggerated power requirements because the thousands upon thousands of cheap brand PSUs often cannot handle anything near their own power rating anyway, due to faulty capacitors and whatnot.

moral of the story: buy quality where it counts, do not buy bargain PSUs
 
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Quasty

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Put system load on 100% (Bottom right), and capacitor aging on 10% just to be safe, then it is.
 
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