ATI Radeon HD 5670: DX11 For Under $100
Power Consumption
Before bringing this article to a close, we'd like to cover a few final data points--namely power consumption and noise. Throughout all of our benchmarking and testing, we monitored how much power our test system was consuming 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 cards alone.
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After seeing the Radeon HD 5670's specifications and reported 14w (idle, desktop) and 61w (load) power consumption characteristics, we expected it to be a relatively low-power solution. According to our tests, the Radeon HD 5670 is tied for the lowest idle power consumption with the GT 240, but with the lowest load power consumption.
With power consumption this low, it should come as no surprise that the Radeon HD 5670 does not generate very much heat and hence, its cooler remains nice and quiet during use.
