Model Years: Mid 2004, Mid 2005, Late 2005

Storage: 80GB to 160GB (HDD)

Initial OS: MacOS X 10.3.5 Panther (Mid 2004)

Latest OS: MacOS X 10.5.8 Leopard

Released: August 31 2004

Discontinued: January 10 2006

Processor:
- 1.6GHz PowerPC G5 (Mid 2004)
- 1.8GHz PowerPC G5 (Mid 2004, Mid 2005)
- 2.0GHz PowerPC G5 (Mid 2005)
- 1.9GHz PowerPC G5 (Late 2005)

Graphics:
- Nvidia GeForce FX 5200 Ultra (Mid 2004)
- ATI Radeon 9600 (Mid 2005)
- ATI Radeon X600 Pro (Late 2005)

RAM Configurations Sold:
- 256MB PC3200 DDR 400MHz (Mid 2004)
- 512MB PC3200 DDR 400MHz (Mid 2005)
- 512MB PC2-4200 DDR2 533MHz (Late 2005)

Display Specifications:
- 17" LCD Display
- 1440 x 900 display resolution at 100ppi

New Features:
- Improved Specs
- PowerPC G5
- New Design
- iSight Camera (Late 2005)
- Last iMac with PPC Processor

Model Years: Mid 2004, Mid 2005, Late 2005

Storage: 160GB to 250GB (HDD)

Initial OS: MacOS X 10.3.5 Panther (Mid 2004)

Latest OS: MacOS X 10.5.8 Leopard

Released: August 31 2004

Discontinued: January 10 2006

Processor:
- 1.8GHz PowerPC G5 (Mid 2004)
- 2.0GHz PowerPC G5 (Mid 2005)
- 2.1GHz PowerPC G5 (Late 2005)

Graphics:
- Nvidia GeForce FX 5200 Ultra (Mid 2004)
- ATI Radeon 9600 (Mid 2005)
- ATI Radeon X600 XT (Late 2005)

RAM Configurations Sold:
- 256MB PC3200 DDR 400MHz (Mid 2004)
- 512MB PC3200 DDR 400MHz (Mid 2005)
- 512MB PC2-4200 DDR2 533MHz (Late 2005)

Display Specifications:
- 20" LCD Display
- 1680 x 1050 display resolution at 99ppi

New Features:
- Improved Specs
- PowerPC G5
- New Design
- iSight Camera (Late 2005)
- Last iMac with PPC Processor