Intel's upcoming Core i7 four-core parts for notebooks, nicknamed Clarksfield, should be much faster per clock cycle compared to their existing Core 2 Quad counterparts based on tests published today. Although normally clocked at just 1.73GHz, the mid-range Core i7-820QM is seen in PCPro benchmarks often coming close to, matching or outperforming the 2.53GHz Core 2 Extreme that costs significantly more than the expected $750 for the newer chip. The edge comes despite extra handicaps on the test system versus the Dell M6400 Covet used for comparison, as the Core i7 s
