CPU high temperatures
CPU high temperatures
Your i7-7700k is running at a higher boost frequency (4.5 GHz) thanks to Intel Turbo Boost. When you open Chrome, it warms up quickly and then cools down fast. After replacing the thermal paste, you should verify your system settings—especially voltage—and ensure they match what the idle readings show.
The heat levels match, but the voltages in the photos seem to be increasing at 4.5 GHz CPU speeds.