An overclocker has managed to rather substantially increase the world's frequency record for Advanced Micro Devices' central processing units (CPU) at an overclocking contest hosted by Gigabyte Technologies, one of the largest makers of mainboards.
Utilizing Gigabyte GA-890FXA-UD7 mainboard, the overclocker who calls himself Mad222 from Hong Kong managed to overclock AMD Phenom II X4 965 Black Edition processor (3.40GHz) to whopping 7344.48MHz. The computer performance enthusiast used dry ice for cooling. The mainboard was not modified, according to the overclocking.
Overclocker Hits Highest Frequency for AMD Processors Ever During Contest - X-bit labs