Someone can help me i just added thermal monitor but don't know what is what

Well your cpu is a dual core i5. I guess it doesn't play well with the pstate governers. Have you perhaps tried a more powerful kernel? I think you can safely use linux-zen without much hassle since your cpu doesn't output that much heat. Plus no dGPU means less heat produced. Maybe the zen kernels pstate governers could help? Also have you checked out this kernel ?

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