Don't get confused with that reading with gpuz. As it says that number is "GPU only power draw" it's not the whole vga card ! Your card have another power hungry parts too :-) There is the memory controller and the memory itself :-) and a few more parts . GpuZ not measuring you graphic card power usage , only how much watts your gpu using !!! The 2 things are not the same !!!
you have read my post and you found me confused? i am trying to explain using my measurements how the gpu-z number can be used to find actual power draw of the whole card. of course these are totaly different numbers and try reading again if you are confused. I am saying nowhere that these are the same numbers. the exapt opposite. in fact in my system the whole card draws DOUBLE THAN WHAT THE GPU-Z SAYS. maybe you should read more carefully to what i am saying