- Nov 25, 2019
This is simply not true. It serves for H.264 acceleration which is used by quite a lot apps...you might not use those. But the does not mean the iGPU is not used at all...Other that that, the integrated GPU is not used at all anywhere within MacOS. So "rarely" is the wrong term. There isn't a requirement for integrated GPU on this iMac, it simply happened to be there in the Intel 2nd generation chips.