April 29, 2024

MacBook Pro Core i7 Runs Hot, 100 Degrees Celsius Hot!

Posted April 26, 2010 at 1:26pm by iClarified · 16923 views
Testing of the new MacBook Pro shows that its Core i7 CPU is hitting temperatures over 100 Degrees Celsius, according to PCAuthority.

The site noticed some poor results when benchmarking the notebook and identified the issue as heat build up. After successfully running the tests with the notebook on its side they determined it was the aluminium shell of the Macbook to blame.

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To be sure of our results we left the Macbook Pro overnight to cool off. Upon coming back into the office we repeated our tests, first in Windows and then in OS X. By the time the second run of the Cinebench test finished in Windows, the CPU Diode was reporting a temperature of 101 degrees Celsius.

A similar situation occurred in OS X. We've included the graph showing the heat output from the MacBook Pro's sensors below. In it the CPU peaks at 101 degrees, but worryingly the heat buildup in the CPU doesn't register on the enclosure sensors. This is despite the chassis getting hot to the touch, and the heat buildup being registered on all the hardware-based sensors in the Macbook Pro.
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PCAuthority also noted that real world benchmarks were pushing CPU temps over 90 degrees.

It is important to note that while the processor was stressed to maximum levels it still did not hit temperatures that exceed Intel's thermal spec for the MacBook Pro's Intel Core i7 Mobile Processor (I7-620M) of 105° C.

Read More [via Jen]