Sometimes a computer with a lower GHz rating can outperform one with a higher speed rating, and that’s especially true for the 2.5 GHz Power Mac G5 Quad. One of the first Macs to use IBM’s new dual-core G5 CPUs, the Quad uses a pair of them, which means Power Mac owners now have access […]

The first Macs to use IBM’s new dual-core G5 CPUs, the Late 2005 Power Mac G5 Duals and Quad (covered on its own page) provide the processing power of two G5 CPUs on a single chip. Each core has 1 MB of level 2 cache, twice as much as earlier G5s, which further boosts computing power.