ATI Radeon HD 5870 Overclocked Round-up

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Power Consumption

Total System Power Consumption
Tested at the Outlet

And finally, throughout all of our benchmarking and testing, we monitored how much power our test systems consumed using a power meter. Our goal was to give you all an idea as to how much power each configuration used while idling and while under a heavy workload. Please keep in mind that we were testing total system power consumption at the outlet here, not just the power being drawn by the graphics card alone.

With a higher core clock, Gigabyte's Super Overclock 5870 used the most power in our tests (413W load / 266W idle, total system power). Both the the Lightning and Turbo V cards displayed similar usage levels. For additional comparison, we included the stock HD 5870 results and found the overclocked cards increased required about 7 to 10% more power under load conditions.

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