I would try the „retina formula“ to see, if the upgrade would benefit me.
Basically apples retina displays are engineered, that either the selected pixel density, pixel size and typical viewing distance, single pixels cannot be seen by the human eye. See https://en.wikipedia.org/wiki/Retina_display?wprov=sfti1#Rationale
If you have a small tv and it is several meters away from you, my guess would be that the difference is not that big.
Take a look at „The Linux Experiment“ on YouTube or tidal. He switched his whole setup to Linux and runs a business on top of free software, including editing his screen casts.
Edit: he uses tuxedo computers hardware and the OS it is shipped with, Tuxedo OS, which is Debian based.