Power Consumption Tests
Using our new 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.
859 Watts of power is a serious number and at first I had to check a few times to make sure it was correct with it being an extra 150 watts of power draw. Looking at overclocking with one card, we saw an increase of over 80 watts and when you add another card to the picture and overclock it to the same level, it comes as no surprise that the power draw moves up 150 Watts+.
It's not a worrying number for the simple reason that anyone who chooses to spend this kind of money should have a more than capable 1000+ Watt well branded PSU, but it's something you really take note of, as that's a fair bit of extra power draw.
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