Once installed on MacBook Air and MacBook Pro updates OS X Mavericks 10.9.3 users have found that the amount of memory VRAM, allocated for graphics , increased by 50%. As suggested by Mac4ever, this change is aimed at to improve the operation oncomputers with 4K- monitors.
Update OS X 10.9.3 debuted last week. The main change in this version of the OS – improved support for 4K- displays. In particular , the update added HiDPI scan monitors , supports frequencies above 60 Hz. In the default OS zoom function is active when the system interface elements are displayed with a resolution twice as usual. Update also expands the list of Mac compatible display with a resolution of 4K.
As the author of the French resource on laptops MacBook Air lines and MacBook Pro after installing OS X Mavericks 10.9.3 increased volume VRAM- memory. If previously allocated from system RAM 1 GB , now volume increased to 1536 MB . This is true for laptops 2013 model and 2014 for earlier models VRAM volume remained unchanged .
With what innovation is not known – not reported in any accompanying documentation for renewal, either on the website of the company. There is speculation that Apple expects thus improve the performance of notebooks with 4K- display . At the same time ultra-high resolution monitors support only MacBook Pro with display Retina.