Take your MacBook Pro’s temperature

If you've used an Apple notebook for any extended length of time you probably have an opinion on its operating temperature. But how do you quantify the temperature of an Apple's notebook? Let's take a look at different ways to measure the temperature in the MacBook Pro.

You may have noticed that CoreDuoTemp (upper highlight in the screen shot at right), smcFanControl (lower highlight) and Fan Control all report different temperatures on the MacBook Pro. That's because they're measuring different things.

CoreDuoTemp (1.0) is a menu bar application that reads the temperature from the Intel CPU's built-in sensor. The primary purpose of this sensor is to shut down or slow down the CPU if it is in danger of overheating. This sensor is rather simple and can be inaccurate.
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