In the default mode, the Mac draws on a canvas with 2940x1912px and downscales to fit the 2560x1660px screen. That seems to be a very inexact 1.7415x, but ther

In the default mode, the Mac draws on a canvas with 2940x1912px and downscales to fit the 2560x1660px screen. That seems to be a very inexact 1.7415x, but there's nothing stopping you running at 2560x1660px.