Many motherboards ship with auto performance enhancers that quietly increase power limits, and on Intel systems, this often shows up as Multi-Core Enhancement, which forces high turbo clocks across many cores by raising PL1 and PL2. On AMD, some boards set very loose Precision Boost Overdrive limits.
The result of this (if you have adequate cooling) is more performance, but it is a rather ham-fisted way to go about it. If you have a budget cooler, short bursts might look fine, then the system sinks as it bumps into temperature or VRM limits. A smarter approach is to start with stock settings. Set Intel power to Intel Default or manually configure reasonable power limits near spec. On Ryzen systems, enable PBO conservatively and focus on Curve Optimizer with a negative value to reduce voltage and heat while keeping boost. You can judge success with a quick Cinebench run, OCCT loop or Prime95 stress test while logging clocks and temperatures. The goal is equal or better performance with lower heat and no throttling flags.
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