Enabled HiDPI mode on my 30" Cinema Display! It looks just like a Retina now!pic.twitter.com/xfuH4xyLTE
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It is! You just need to have a Kepler or newer nVidia card, or Intel HD Graphics 4000 or newer.
Google says that it can be switched on via terminal command. So its a software feature?
Yep! Although you'll need to use SwitchResX to create some custom resolutions.
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