AMD Zen 3 Cezanne Ryzen 5000 Mobile architecture deep dive — Improvements across SoC, cache topology, and power efficiency promise a great mobile experience – Notebookcheck.net

AMD said that several factors contribute to improved power efficiency in Ryzen 5000. Wherever possible, Vcore milliVolts in the pipeline are removed to save power and offer added thermal headroom, higher frequencies, and better battery life. The addition of a new deep power state to the memory controller that bypasses the PHY to a low voltage supply also plays its part here.
AMD desktop processors use a UEFI feature called Collaborative Processor Performance Control (CPPC) that allows the CPU itself…

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