*Source: Nordic Hardware (
http://www.nordichardware.com/Articles/?skrivelse=517)*
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It's been less than a year since Intel launched its first quad-core processor, Kentsfield. Even though the competition may define "quad-core" differently, the fact remains that Core 2 Quad contains four processor cores, and it's been a very successful processor for this relatively short period of time. The clock frequency has scaled from the initial 2.67 GHz to 3 GHz, but there's a lot more to it than just frequencies. Core 2 Quad series hasn't just been expanded to include QX6850, QX6800, Q6700 and Q6600, but thanks to a new stepping, Intel has also managed to reduce power consumption and heat significantly. The motherboards of today are getting better and better at handling high system bus frequencies of quad-core processors, which also made it possible to raise the bus from 266 MHz to 333 MHz with the QX6850 model.
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