Apple discusses the 2018 iPad Pro's A12X CPU and GPU on stage at its October 30, 2018 event. (credit: Valentina Palladino) A new report from Bloomberg cites sources close to Apple who say that Apple is on track to introduce Macs running Apple-made CPUs and GPUs in 2021. The chips the company is developing are codenamed Kalamata. While there have been previous reliable reports that Apple is doing this, today's article goes into much more detail than before on both Apple's strategy and the basic architecture of the chips.