The screenshot open in Preview (screenshot within the screenshot) is a 2880 x 1800 screenshot, open at full size. Note how little space the screenshot occupies. Apple's Hi-DPI scaling and seamless integration across the ecosystem continues to be awesome.Īlong with expanded display support, some new Macs also get the ability to drive 4K panels at 60Hz.
By some I mean one: the 15-inch MacBook Pro with Retina Display from late 2013. This is the Haswell refresh of the rMBP15, and it remains the only portable Mac capable of driving a 4K panel at 60Hz over either of its two miniDP ports (HDMI is limited to 30Hz). The 13-inch Haswell rMBP unfortunately doesn't support 4K60, although you can use its HDMI port to drive a 4K panel at 30Hz (I noted MST compatibility issues when trying to use the 2013 rMBP13's miniDP out). I suspect this has more to do with performance than a physical hardware limitation, as even running the 13-inch rMBP's primary display at a high frame rate can be a chore with a lot of windows open. The 15-inch 2013 rMBP forces the use of its GeForce GT 750M whenever you connect an external display, which helps ensure a better experience when driving a couple of high res displays. Obviously the new Mac Pro works just fine with these displays as well. Update: As many of you have pointed out, the base 15-inch 2013 rMBP also lacks a discrete GPU. Apple doesn't specifically exclude the entry level 15-inch rMBP in its release notes. Driving ultra high resolutions (up to nearly 26MP across two displays) is mostly an exercise in memory bandwidth and ROP performance. The 15-inch rMBP benefits from having Intel's Crystalwell eDRAM on-package, which should help tremendously in the memory bandwidth department at least. #Macbook pro 4k 60hz switchresx portable.
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