When I was at 4.0Ghz or less, the highest temps I ever saw were about 71~73ish; peak was 75C and that is stress testing with linpack (IBT, LinX, OCCT, etc) tests. Regular usage in gaming and folding were 65C max.
Going up to 4.1 (which is my 24/7 right now) it goes to 81~82C peak but settles...