iMac (2006 to present)
For years, Apple had packed its iMacs with PowerPC processors, developed with IBM and Motorola. First debuting in the Power Macintosh and Performa models of 1994, the PowerPC chip was a mainstay of Apple desktop computers for 12 years before being phased out in 2006.
Apple had long been fighting against what it called the “megahertz myth,” which it said led to
