Fall IDF 2006: Intel Shows Quad-Core Kentsfield
 

When running Ice Storm Fighters on a quad-core processor (we assume it was the QX6700) with a 1066MHz Front Side Bus (FSB) vTune showed that 13% of the FSB was being used. This goes to show that even on intense upcoming games/benchmarks that are heavily threaded don't require a higher front side bus...