The CPU in question, a Core i7-2600K, appears to have a peak turbo speed of 3.4GHz. JCornell takes the chip up to an impressive 5.5GHz, which is good enough to shorten its SuperPi calculation time from just over 10 seconds to a little less than 7.5.Source: The Tech Report
According to SemiAccurate, the overclock was done with air cooling and less than 1.4V, making Sandy Bridge's potential all the more intriguing. Of course, you'll need a K-series CPU with an unlocked upper multiplier to get one of Intel's upcoming CPUs running at higher than stock speeds. Sandy Bridge prevents motherboards from increasing the base clock speed to push the CPU clock, leaving K-series chips as the only option for overclockers.
Intel Sandy Bridge sample OCed to 5.5GHz on air
Posted on Wednesday, October 27 2010 @ 2:01 CEST by Thomas De Maesschalck