Retina MacBook Pro, how to manually switch video cards and save battery
I purchased the latest MacBook Pro retina in November 2013, its the 15″ version which has two video cards on it, an Intel Iris and an Nvidia 750M if I recall correctly.
Its nice to have two video cards because you can do more graphic hungry stuff without having to use another computer, but there are times where you really need as much battery as possible, and you don’t want any application to trigger the power hungry Nvidia 750M. (more…)