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Report: the true power consumption of 73 graphics cards
by Marc Prieur
Published on April 8, 2010

Power consumption in 3D Mark
Hold the mouse over the graph for a classification by power consumption.

Hold the mouse over the graph for a classification by power consumption.


In the first of the two tests that aim to obtain maximum power consumption levels, the cards reach from 15.1 watts (Radeon HD 5450 DDR3) to … 321.8 watts for the HD 4870 X2! This score actually goes beyond the PCI-Express standard that defines a maximum of 300W for this card’s power supply (6+8 pins), but ATI didn’t repeat the same mistake with the HD 5970. Note also that the GT 240 1 GB version with GDDR5 reaches the limit of the PCI-Express port, consuming 75.6 watts, against a maximum of 75W for this port.

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