AMD's Ryzen exceeds its '25x20' power efficiency challenge

AMD said Thursday that the company has met and even exceeded the “25x20” goal that it set in 2014, in which it challenged itself to improve the energy efficiency of its processors by 25X by 2020.

AMD said the actual proportion was 31.7 times the energy efficiency of its 2014 processor, the AMD “Kaveri” FX-7600P, which was rated at 35 watts TDP. (Thermal design power, or TDP, typically refers to the “worst-case” scenario for thermal power.) AMD compared it to the Ryzen 7 4800H, a 45W part that can be configured down to 35W. 

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