From super to subzero

When you're setup is running in windows and everything seems okay, the next step would be to take the temperatures down to a more overclock-friendly levels. We tried to simulate the speed with which the container is able to decrease in temperature by measuring the decrease in temperature in 5 minutes time, constantly having the container filled with LN2, of course.

• 200x15 = 3GHz
  
• +200mV = 1.5v
  
• System idles on Windows desktop
  
• CPU temperature read-out with the DFI Smart ITE Smart Guardian (verified with Speedfan)
  
• Base temperature read-out with Fluke 51 II
  
• We start the measurement when the CPU is at 25°C
  
• Container constantly filled

As you can see, the custom container is capable of a very rapid decrease in temperatures, much faster than the F1. This can again be related to the amount of copper in the base of the container: as the custom made container has very little mass in the base, the liquid nitrogen cools down the container faster, which allows the processor to be cooled down faster. The F1 has much more copper mass in its base, so initially, the liquid nitrogen cools down the copper.

Note: the fifth data point of the Custom - CPU chart is -90°C, but should be around -100°C. Both ITE Smart Guardian, the DFI utility, and Speedfan were incapable of reporting temperatures below -90°C.