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I have a 2 yr old HP pavillion dv4 laptop. Ubuntu runs fine. But I recently noticed that the temperature of the cores (with just a browser open, not playing flash videos) is significantly higher than when I run windows 7.

If I buy one of the laptops listen in the 'ubuntu certified list', is it likely to run ubuntu at the same temperatures as windows 7?

Braiam
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3 Answers3

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It's very difficult to make a direct comparison between one OS and another temperature wise as the programs that collect the data from the temperature sensors in your machine do that in different ways.

For instance two different programs in windows can give different results about the same computer at the same time.

I'm sure that the Canonical testing team would fail a system if it was damaged by running Ubuntu. However they don't know what will happen many month years in to the future.

Even Hardware manufacturers don't know what will happen even when they know what OS will be running on the hardware for example

Allan
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To answer your question; no. To address your problem; make sure frequency scaling is working. Install the gnome-applets package, then right click your panel and add the frequency scaling applet. Keep an eye on that.

psusi
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A test suite should put the system under significant load and if temperature (or other) related failures result under that scenario, then it might be grounds for the system to fail certification. Otherwise, if temp, even though a bit higher, is manageable by the system, all is probably well, as long as the system functions normally.

Maybe this just means that Linux is way hotter than Windows :P