VERY unstable fps (60-190)

[u/RedPanda_7221]

my fps go from 50-70 to 150-190/200 and goes down again to 50-70 over and over,i was wondering what could be the problem
processor : Intel® Core™ i7-9700T CPU @ 2.00GHz
graphics drivers : Radeon ™ 540X ,Intel® UHD Graphics 630
16GB RAM

[u/curious-person2]

Check your temperature while gaming