AMD Phenom II X4 955 Black Edition Processor
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.
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Although AMD rates the new Phenom II X4 955 BE and 945 at the same 125 watts, in our testing, we found them to consume less power than the X4 940 under load. At idle, however, the 955 and 945 used a bit more power than their DDR2-based counterpart. We should note, however, that changes in the test platform (the Phenom II X4 940 had to be tested on an AM2+ motherboard with DDR2 RAM) could account for some of the differences in power consumption seen here.
