Kaby-Lake upgrade. The Nexoc G734IV is a powerful 17.3-inch gaming notebook that smoothly runs all current games on the matte Full-HD display. Users who enjoy upgrading can install additional hardware in the computer.
http://www.notebookcheck.net/Nexoc-G734IV-Clevo-P670HS-G-Notebook-Review.197022.0.html
Nice review :)
Could you do a re-paste on the CPU and GPU and re-run the stress test to see if the temps come down to a more reasonable range?