The transition became public knowledge at the 2005 Worldwide Developers Conference (WWDC'05) in June 2005, when Apple's then-CEO Steve Jobs made the announcement that the company would make a transition from the use of PowerPC microprocessors supplied by Freescale (formerly Motorola) and IBM in its Macintosh computers, to processors designed and manufactured by Intel, chief supplier for most of Apple's competitors.
- Live from WWDC: Steve Jobs keynote by Peter Rojas, Engadget. 2005-06-06.
- Apple's transition to Intel processors at Wikipedia
- Power Outage: Looking back at Apple’s transition from PowerPC to Intel CPUs by Ernie Smith at Tedium (2020-06-16)