Despite the hardware from the gaming entry-level, you don't have to worry about the performance. The Legion 5 brings all the current computer games smoothly to the matte screen (Full HD, IPS). However, the highlight of the laptop is the excellent battery life.
https://www.notebookcheck.net/Processor-und-graphics-core-of-the-Lenovo-Legion-5-17IMH05-are-able-to-run-at-constant-full-power.498554.0.html
I dont mind killing 2.5mm hdd for bigger battery as long as we got at least 2 slot nvme.