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https://www.youtube.com/watch?v=LCdA-bLRAfM- обзор от Olegdjus
https://www.overclockers.ua/cpu/amd-zen-2-ryzen-7-3700x/ - обзор 3700Х от 1usmus
https://www.overclockers.ua/cpu/amd-ryzen-9-3900x/ - обзор 3900Х от 1usmus

By now, you may know that 3rd Gen Ryzen heralds the return of the Ryzen Balanced power plan (only for 3rd Gen CPUs; everyone else can use the regular ol' Windows plan). This plan specifically enables the 1ms clock selection we've been promoting as a result of CPPC2. This allows the CPU to respond more quickly to workloads, especially bursty workloads, which improves performance for you. In contrast, the default "Balanced" plan that comes with Windows is configured to a 15ms clock selection interval.

Some have noticed that switching to the Windows Balanced plan, instead of the Ryzen Balanced Plan, causes idle voltages to settle. This is because the default Balanced Plan, with 15ms intervals, comparatively instructs the processor to ignore 14 of 15 clock requests relative to the AMD plan.

So, if the monitoring tool is sitting there hammering the cores with boost requests, the default plan is just going to discard most of them. The core frequency and clock will settle to true idle values now and then. But if you run our performance-enhancing plan, the CPU is going to act on every single boost request interpreted from the monitoring tool. Voltages and clock, therefore, will go up. Observer effect in action!