It's so funny to see Apple's "combined memory architecture" praised. When Intel did this a decade+ ago with its integrated GPUs, it was roundly slated.
Well, the difference is that compared to a baseline where GPUs typically get faster RAM than CPUs, Apple is providing fast RAM to both, whereas Intel provided slow RAM to both. Of course, that’s hardly Intel’s fault given that their integrated GPUs are aimed at the low end and are usually paired with external socketed RAM.