In keeping with its previous naming conventions, Apple Computer termed this processor the G5 in an announcement in June, 2003. The G5 was publicly announced in June 2003 by Apple Computer. The term G5 in this context stands for the fifth generation of Power PC microprocessors. Apple uses 1.6, 1.8 and 2.0 GHz processors in its newest (as of 2003) machines, collectively called the Power Macintosh G5.