View this article at: http://dev.macnn.com/articles/69/12/31/dual-core. Wednesday, Dec 31, 1969 7:00pm IBM debuts dual-core 2.5GHz... IBM today introduced a dual-core version of its PowerPC 70 (a.k.a, "G5") processor, which could find its way into Macs in the coming months. In a presentation at the Power Everywhere Forum 2005 in Japan, the company also annnounced new low-power versions of the PowerPC 970FX, which are currently used in Apple's Power Mac G5 desktops and iMac G5 systems. According to IBM, the dual-core G5 chips will be made available in speeds ranging from 1.4GHz to 2.5GHz, which could find their way into forthcoming models of its Xserve server and/or Power Mac G5 desktops.