This video is meant to teach PoE 2 players how to troubleshoot their performance issues in Path of Exile 2 so they can improve their performance and get better FPS.
One of the main themes of the video is learning how to analyze the performance graph included within the game itself so you can identify what part of your system is bottlenecking your performance so you can then research how to improve that specific part of your PC, or even upgrade that specific part if necessary.
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• BEST PC Settings for Path of Exile 2 (Maxi...
This is Kephren's video going through each setting and basically lowering all of them to improve performance while also discussing some of the technicals of what they do and what aspect they help (for example potential CPU help from messing with sound settings). I recommend following my video up with something like this that explains each setting to try and figure out which will help YOUR particular situation after understanding what problem you are actually having.