IIn our review, the Lenovo ThinkPad P73 ran surprisingly quiet, as the fans were mostly turned off. While the low noise emission is great, this resulted in higher temperatures – which negatively impacted the GPU performance.
https://www.notebookcheck.net/The-Lenovo-ThinkPad-P73-runs-quiet-but-gets-too-warm-in-return.445989.0.html
This kind of quiet fan profile is actually really nice. Let's face it, most of the time you're not going to be stress testing your laptop.