Is it extra work? Sure. I thought we referred to that as polish.
Not sure if this exists already but the idea method would be to use the physical size in cm of the display.
Resolution: 3360 × 2100 Diagonal: 13.3″ Resolution: 2560 × 1440 Diagonal: 13.3″ Resolution: 2160 × 1080 Diagonal: 13.3″
(my monitors are 15.5" and 27" diagonal, my phone is 6")
Maybe I'm crazy for using my phone in landscape mode, but I'm not sure how I'm supposed to tell which of those measurements is a phone.
Is it extra work? Sure. I thought we referred to that as polish.