I have read on the web comments about this HWmonitor software you are using and it seems it does not show correct information so we have two possibilities here:
- As mentioned before, this software is not showing correct information.
- Your system is having some overheating issues.
Please try different software to monitor the system temperature and processor performance. From our side we have a program called Intel® Processor Diagnostic Tool. Here you can download it:
If your system is overheating, you can try some of these troubleshooting steps: