Benchmarks: Core i7-3770K at 4.4GHz
The overclocked test provides more-interesting results. With our Core i7 chip running along at 4.4GHz with added voltage, Noctua's compact NH-L12 began to fall off the pace, but be quiet!'s beefier Shadow Rock TopFlow ramps up fan speed to keep actual CPU temperature the right side of 80ºC.