Apple's Intel transition was the process of changing the CPU of Macintosh computers from PowerPC

PowerPC

PowerPC is a RISC architecture created by the 1991 Apple–IBM–Motorola alliance, known as AIM...

 processors to Intel x86 processors. The transition became public knowledge at the 2005 Worldwide Developers Conference (WWDC), when Apple's then-CEO Steve Jobs

Steve Jobs

Steven Paul Jobs was an American businessman and inventor widely recognized as a charismatic pioneer of the personal computer revolution. He was co-founder, chairman, and chief executive officer of Apple Inc...

 made the announcement that the company would make a transition from the use of PowerPC microprocessor

Microprocessor

A microprocessor incorporates the functions of a computer's central processing unit on a single integrated circuit, or at most a few integrated circuits. It is a multipurpose, programmable device that accepts digital data as input, processes it according to instructions stored in its memory, and...

s supplied by Freescale (formerly Motorola

Motorola

Motorola, Inc. was an American multinational telecommunications company based in Schaumburg, Illinois, which was eventually divided into two independent public companies, Motorola Mobility and Motorola Solutions on January 4, 2011, after losing $4.3 billion from 2007 to 2009...

) and IBM

IBM

International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...

 in its Macintosh computers, to processors designed and manufactured by Intel, a chief supplier for most of Apple's competitors.

The transition marked Apple's third migration of its computer line to a new CPU architecture.