HiDPI resolution from custom base resolution?

Is there a way to create a custom HiDPI resolution based off of another resolution? My laptops native resolution is 3000x2000, but that is very laggy on macOS. Resolutions such as 1920x1280 look fine and work well, but everything is too small on it. Is there a way to make a hidpi resolution from 1920x1280 to something like 1500x100?

submitted by /u/Nex_On_Reddit
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