Turbo mode makes all the difference if you're looking to maximize performance out of either machine. We go over what users can expect from Asus' mid-range gaming series.
https://www.notebookcheck.net/Asus-Zephyrus-M15-GU502LU-vs-GU502LW-What-s-The-Difference.497368.0.html
What's wrong ? I getting 95c on turbo mode while playing Witcher 3