Editing Power Mac G5 (section)

== PowerPC G5 and the IBM partnership ==
[[File:Apple Power Macintosh G5 Late 2005 01.jpg|thumb|left|The inside of a Power Mac G5, late 2005 model]]
[[File:Apple Power Macintosh G5 2003 7982.jpg|thumb|The inside of an air-cooled dual-processor 2003 model]]

The PowerPC G5 (called the PowerPC 970 by its manufacturer, [[IBM]]) is based upon IBM's 64-bit [[POWER4]] microprocessor. At the Power Mac G5's introduction, Apple announced a partnership with IBM in which IBM would continue to produce PowerPC variants of their POWER processors. According to IBM's Dr. John E. Kelly, "The goal of this partnership is for Apple and IBM to come together so that Apple customers get the best of both worlds, the tremendous creativity from the Apple corporation and the tremendous technology from the IBM corporation. IBM invested over US$3 billion in a new lab to produce these large, 300&nbsp;mm wafers." This completely automated facility in [[East Fishkill, New York]] figured heavily in IBM's larger microelectronics strategy.

The original PowerPC 970 had 50 million transistors and was manufactured using IBM CMOS 9S at 130 [[nanometer|nm]] fabrication process. CMOS 9S is the combination of [[Silicon on insulator|SOI]], low-k dielectric insulation, and copper interconnect technology, which were invented at IBM research in the mid-1990s. Subsequent revisions of the "G5" processor have included IBM's PowerPC 970FX (same basic design on a 90&nbsp;nm process), and the PowerPC 970MP (essentially two 970FX cores on one die). Apple refers to the dual-core PowerPC 970MP processors as either the "G5 Dual" (for single-socket, dual-core configurations), or Power Mac G5 Quad (for [[Central processing unit|dual-socket]], four-core configurations).