I found the data sheet here which states these numbers ...

13.3-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1600 native resolution at 227 pixels per inch with support for millions of colors

Supported scaled resolutions: 1680 by 1050 1440 by 900 1024 by 640

When I actually measure the width I get 1440 pixels.

I do this by using a grid image that is 100px wide as a background for my website in Google Chrome.

Just curious to how I have 2560 Native and how this is scaled to 1440.

1440 just happens to be

1024 + 256 + 128 + 32

  • Using the browser in such a way could yield incorrect results. Please verify using a native tool, for example displayplacer or any other resolution switcher app.
    – DarkDust
    Sep 15 at 6:43
  • And of, course, check your setting in System Preferences > Display , whether it's set to a scaled mode.
    – DarkDust
    Sep 15 at 6:45
  • Also, please make sure your post actually includes a question :-)
    – nohillside
    Sep 15 at 8:39

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