'Max Processor State' Setting in 'Control Panel -> Power Options' only affects the Efficiency Cores and not the Performance Cores (of Intel Processors

[Vishnu 3333]

I'm having Intel i5 12450H processor in my laptop. I want to reduce power consumption of my laptop when it is not requiring the full capacity of the H series processor. So, I tried reducing 'Max Processor State' setting in 'Control Panel' -> 'Hardware and Sound' -> 'Power Options' -> 'Change Plan Settings' -> 'Change advanced power settings' -> 'Processor Power Management'. This only reduced the max clock speed of Efficiency Cores (4 E-cores in my case) while the max clock speed of the Performance Cores (4 P-cores) did not reduce at all.This totally cripples the purpose of the

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