I have a DZ68BC board, and installed both the Intel Desktop Utilities (IDU) and Intel Extreme Tuning Utility (IETU).
The information reported by the two are significantly different. For example, I'm looking at the 12v rail voltage. IDU reports 12.14v (which matches what I see when in the BIOS), but IETU reports 11.868v.
I have attached an image of IDU and IETU running simultaneously, reporting different values. Shouldn't they both be reporting the same values?