Intel's upcoming Core "Ivy Bridge" processors for overclockers, namely the Core i7-3770K, and Core i5-3570K, feature multiplier values previously unavailable for Core "Sandy Bridge" series.
Chinese proverclocker x-powerx800pro scraped 6.616 GHz utilizing a base clock multiplier value of 63.0x, a clock speed of 6584.86 MHz (104.52 x 63) was validated using the same setup.
These clock speeds were backed by core voltages such as 1.056V, and cooled by extreme cooling. The test-bench included a GIGABYTE Z77X-UD5H, 2x 2 GB G.Skill DDR3-2133 MHz memory, and Corsair AX1200W PSU.
These clock speeds were found to be Pi-stable, with 6.511 GHz yielding SuperPi 1M timing of 5.585s.
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