1. They have 2. CPUs and GPUs typically disagree on whether they want high bandwidth or low latency, apple managed to keep both happy but it's very hard to do

1. They have 2. CPUs and GPUs typically disagree on whether they want high bandwidth or low latency, apple managed to keep both happy but it's very hard to do on a PC where the RAM,CPU, and GPU are quite far apart and also nowhere near as homogenous as Apple have them.