Real Temp - New temp program for Intel Core processors

[unclewebb]

RealTemp was a good program before I started listening to Intel's misleading information that they presented at the IDF conference.

Here's a picture from that:



I never agreed with some of what they said but as one developer going up against the big beast, I couldn't argue without people thinking that I was an idiot so I went along with what Intel had to say. I didn't think that they'd come out and deliberately try to mislead the user community but by not releasing any engineering data about these sensors, that was pretty much the result.

Here's the general formula that is used.

Reported Temperature = TJMax - Sensor Reading

RealTemp 2.70 was using TJMax=95C. Based on that announcement from Intel, I dropped that to 85C which is why your temperatures now read 10C lower than what they used to read and look silly.

After reading the Intel presentation a little closer, I discovered that they created a new term. Instead of TJMax they came up with the term TJ Target and stated that actual TJMax might be slightly different than that. Basically, the information presented was completely useless but most users gave up trying to get a straight answer from Intel and moved on.

I have never tested a QX9770 but based on testing of other CPUs like the QX9650 I recently acquired, my best guess is that TJMax is closest to 100C for these Quads. There is no single number that is 100% correct for all processors. Intel has never disclosed their calibration procedures or the amount of error that is acceptable to them at the calibration point. TJMax does vary from one CPU to the next even with the same model number. My opinion is that actual TJMax can also vary from core to core on the same CPU.

I'd go into the Settings window and change TJMax from 85 to 100. Now that I've seen how ridiculous TJMax=85C looks, I'll be changing that to 100 in RealTemp for the QX9770 and QX9650. Thanks for the info.