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Why did AMD introduce ACP when it launched Quad-Core AMD Opteron processors?

April 26, 2017ACP AMD introduce opteron processors quad-core

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Why did AMD introduce ACP when it launched Quad-Core AMD Opteron processors?

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Our quad-core processor architecture contains a number of key energy efficiency improvements, such as Dual Dynamic Power Management (DDPM), which provide the processors with additional power rails that are dedicated to the processor cores, HyperTransport™ technology links, and an internal memory controller. ACP is a relevant estimation for users to understand the power consumption of Quad-Core AMD Opteron processors because it reflects power consumption within each power band — including the power for the cores, integrated memory controllers and HyperTransport™ technology links — under real-world workloads.