Noctua NH-U12P CPU Cooler
The test results were as follows. Note that these are all performed under identical circumstances on the exact same test setup.
As you can no doubt see, the Noctua does the best that we've had on our test setup at stock speeds. There was a slightly lower temperature in the room at the time of testing the Noctua (0.9°C cooler than the others), but even factoring this in the Noctua is the clear winner.
Here again the Noctua NH-U12P did extremely well, beating the other coolers at idle by 5°C, 4°C factoring in the change in room temperature. At load the three top performers closed in a bit, but the Noctua was still a 1°C ahead (again factoring in the 0.9°C temperature difference). That's pretty darn good results from Noctua.
As we have seen previously, the NF-P12 fans are pretty damn amazing and in a heatsink-fan situation this is no different. Not only does the fan produce a very good amount of airflow, it also is incredibly quiet, even when ramped up to it's top speed. On putting on one of the voltage fan extension cables provided, you quite simply could not hear any noise from the cooler.