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M1 iMac vector.svg
Front face of an orange 24" Apple silicon iMac
Developer Apple Inc.
Manufacturer Apple Inc.
Product family Macintosh
Release date
  • PowerPC-based
  • August 15, 1998; 24 years ago (1998-08-15) (G3)
  • January 7, 2002; 21 years ago (2002-01-07) (G4)
  • August 31, 2004; 18 years ago (2004-08-31) (G5)
  • Intel-based
  • January 10, 2006; 17 years ago (2006-01-10) (plastic)
  • August 7, 2007; 15 years ago (2007-08-07) (aluminum)
  • October 20, 2009; 13 years ago (2009-10-20) (unibody)
  • November 30, 2012; 10 years ago (2012-11-30) (slim unibody)
  • October 16, 2014; 8 years ago (2014-10-16) (slim unibody with Retina 5K display)
  • December 14, 2017; 5 years ago (2017-12-14) (iMac Pro)
  • Apple silicon
  • April 30, 2021; 22 months ago (2021-04-30) (M1)
  • Intel-based
  • March 6, 2021; 2 years ago (2021-03-06) (iMac Pro)
Operating system
  • Mac OS 8
  • Mac OS 9
  • macOS (Previously known as Mac OS X, OS X)
Related articles Mac Mini, Mac Pro

The iMac is an all-in-one personal computer that was first released in 1998. It is made by Apple Inc.. It has been the main part of Apple's consumer desktop offerings since its debut in August 1998, and has evolved through six distinct forms.

Apple adopted Intel processors which post-2006 Macs now run on. Because Mac OS X was written for PowerPC at the time, Mac OS X ran in an emulation environment called Rosetta. Programs and applications received 'Universal Binary' updates to make them run reliably and use less resources of the Rosetta environment, instead hardware accelerating themselves.

iMac models after 2001 were shipped with macOS (formerly known as OS X).

The latest macOS version, 10.12 Sierra, is Intel processor dependent. No PowerPC based computer can run or install it meaning most of the iMac line are not 10.11 compatible.

Some of the newest iMac models don't have CD or disc drives.

On May 2021, 24" iMac with Apple M1 will be released.

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