Please enter the required inputs into the yellow box fields. You can find the required inputs (PS, Us) by clicking here. Please use the "Maximum Power Disspiation" rating for your CPU. This formula works with any kind of CPU as long as you have got the specifications at default speed.

Required for calculating power output  PS  Power Output of non-overclocked CPU  FS  Speed of non-overclocked CPU (in Mhz)  F0  Speed of overclocked CPU (in Mhz)  Us  Default Voltage  U0  Voltage of the overclocked CPU

Required for C/W rating  Case Temp  Measured in degrees Celcius  CPU Temp  Measured in degrees Celcius

Result  Po  Power usage of the overclocked CPU  C/W Rating  C/W Rating of the heatsink

Credits on power calculation part goes to the original author, Tillmann Steinbrecher(the owner of The Heatsink Guide). The original article can be found here.

This java application was reproduced by mird-OC from a spreadsheet created by Hans Chung and is provided as is, the owners will not accept any damaged caused by using this program.