To measure both power consumption and heat, we stress the video card and record the peak values for heat and wattage. We use default values on the cards and stress test them using 3DMark FireStrike Ultra in 20 loops to simulate gaming loads and this is where we also base our power draw. Our AC wattmeter has a USB interface that allows logging of data which gives us a good average of what draw is during the load scenario.
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12. Temperature and Power Draw – ASUS ROG STRIX RTX 2070 SUPER OC