MacOS's anti-aliasing is more accurate, but uses more sub-pixel artefacts, which can look blurry, particularly on lower-density pixel displays. Windows scaling uses less anti-aliasing, and rounds things to the nearest pixel, making the image sharper, but less accurate in size and position. 1.25 (125%), then the OS has to do more anti-aliasing, which is a kind of 'smudging' color over several pixels to fake fractions of a pixel. If you're scaling the image by a fractional value: e.g. 1 pixel to 2 pixels), or a fractional value (e.g. Scaled images can be either an integer value (e.g. Either you're using the native hardware grid of the display, or you're mapping some smaller virtual grid onto the hardware grid by scaling the image up. I hope this answer gets to users with this setup because it is really frustrating to use 16:10 resolution on a 16:9 display.The pixels on a display are a grid. (Sometimes it doesn't show up right away, play around with it and it should.) Go to SwitchResX and select the new custom resolution in the Current Resolution tab.(or simply close the window and use the prompt up) Go to Thunderbolt Display tab, and add a Custom Resolutions with Scaled Resolution at 2562 x 1440.Install SwitchResX and open it from System Preferences.Most users with this setup, I believe, are trying to use 1280x720 HiDPI because it's half the native resolution of the TBD.Īccording SwitchResX's FAQ, in some cases it is not possible to set to this resolution because of a bug within OS X itself.Īfter contacting the developer, he presented a workaround - adding one more pixel - which worked for me. The only tool I found that actually gives us the options is SwitchResX. You will not see the HiDPI options to be selected. These methods DO NOT work for MBPr with Thunderbolt Display, for whatever reasons. Holding option and select 'Scaled' in System Preferences.I am here to present a solution for users with 15' MacBook Pro with Retina display connected to a Thunderbolt Display. That solved the issue I was having on one of my laptops.Īfter reading through several forums, websites, blogs.

Also, if something's still not working after you did all the steps in the FAQ, consider uninstalling and reinstalling SwitchResX. For users trying to do this on El Capitan, please read the FAQ on SwitchRes's website.

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