It splits well on the Core i7-3770K at 6,511 GHz

Not incidentally, the processor managed to set a new Super PI record at this clock, but x-powerx800pro also confirmed that the situation with air cooling is not very rosy.

The configuration includes the GIGABYTE Z77X-UD5H motherboard, 2 × 2 GB G.Skill DDR3-2133 MHz memory and the Corsair AX1200 watt power supply. During the overdrive, the Chinese x-powerx800pro used the maximum multiplier supported by Ivy Bridge with noble simplicity, so the Super PI ran at exactly 6584,86 MHz (104,52 × 63). Of course, this required a significant increase in CPU core voltage (1,85V) and a good dose of liquid nitrogen. The Super PI 1M test took 5,585 seconds, which is 0,2 seconds better than the current world record. The Intel Core i7 3770K was managed at 6584,86 MHz with the CPU-Z application to validate, but one was also made from 6,616 GHz double.

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In conclusion, x-powerx800pro said air cooling is not really easy to cool Ivy Bridge CPUs, which is why a Sandy Bridge based solution can achieve a higher clock speed.

Source: techpowerup.com