Question Ryzen 5 2400g core performance boost

Apr 28, 2019
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Hey guys i have 10 months old ryzen 5 2400g and when i am monitoring its clocks on HWmonitor everytime after playing any high graphics game like starting from csgo ,apexlegends etc , my clock speed for all the cores are not same and more than the given boost range.
For ryzen 5 2400g 3.6 - 3.9 Ghz is the range and hw montior shows 4000 Mhz or sometimes 4100 Mhz Max value after playing games,other normal usage like chrome and all it is 3898 mhz on all cores. why ? It is affects the processor?
And note: i am using single channel apu not a graphics card, Ram is overclocked.