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Originally Posted by Brians256
Unless the card is transforming that electrical energy into some other form, all that 138W of electrical energy is going to be transformed into heat.
Pumps transform some input energy into mechanical movement, but I think video cards and CPUs all process information by transforming electrical energy into heat.
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I don't think that is correct. Heat is (primarily) a byproduct of friction in a pump.
The heat from a CPU or GPU is a byproduct of...resistance.(I think) Kind of like how extension cords get warm when you push a lot of current threw them.
Please correct me if I am wrong.(as I oft am)
If someone can explain it better that would be great too.