Intel Core 2 Quad Q8400 CPU Review

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Power Consumption

We'd like to cover a few final data points before bringing this article to a close. 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 processors alone.

Total System Power Consumption
Tested at the Outlet

In a direct comparison to AMD's 2.66GHz quad, the Q8400 uses more juice during both idle and load states. But it did not come as a surprise that the Q9400 needed and additional 5W at idle and 9W during load.  


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