70c idle

My problem is my cpu temprature. While gaming temprature is 100c, on idle (on desktop chrome etc) its around 60c. My laptop is Lenovo Legion y520 i7 configuration. SPECS : i7 7700HQ GTX 1050TI 4 GB GDDR5 RAM 8 GB DDR4 RAM 256 GB SSD And i think its the problem of my fps drops ( 80 fps to 30fps...