In our series of test, a consistent ambient temperature of 26c and every mount and dismount of the tested heatsinks will have a new applied layer of thermal paste.

First up, the Stock QX6850 Heatsink fan.

Idle Temperature (Stock CPU Voltage)

   Cooler Masters Hyper 212

Load Temperature (Stock CPU Voltage)

   Cooler Masters Hyper 212

Idle Temperature (1.45v CPU Voltage)

   Cooler Masters Hyper 212

 Load Temperature (1.45v CPU Voltage)

 

  Cooler Masters Hyper 212

As you can see, all 4 cores have a slightly different temperature and there is a significant difference between load , idle , voltage upped load and voltage upped idle.