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AMD Radeon HD 7970 GHz Edition 3GB Video Card Review - Power Consumption Test

By: Shawn Baker | AMD Radeon GPU in Video Cards | Posted: Jun 22, 2012 4:00 am
TweakTown Rating: 96%Manufacturer: AMD

Power Consumption Test



Using our PROVA Power Analyzer WM-01 or "Power Thingy" as it has become quickly known as to our readers, we are now able to find out what kind of power is being used by our test system and the associated graphics cards installed. Keep in mind; it tests the complete system (minus LCD monitor, which is plugged directly into AC wall socket).


There are a few important notes to remember though; while our maximum power is taken in 3DMark06 at the same exact point, we have seen in particular tests the power being drawn as much as 10% more. We test at the exact same stage every time; therefore tests should be very consistent and accurate.


The other thing to remember is that our test system is bare minimum - only a SSD hard drive is used with a single CD ROM and minimal cooling fans.


So while the system might draw 400 watts in our test system, placing it into your own PC with a number of other items, the draw is going to be higher.




Power draw has actually jumped up quite a bit here as we see idle more from 131 watt to 195 watt and load go from 389 watt to 448 watt. Overall the numbers are again very impressive, but you can clearly see the new GHz Edition model is drawing more power with a decent jump in the idle number.

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