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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > Which will run cooler: 2.0 or 2.4 MB?

Which will run cooler: 2.0 or 2.4 MB?
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Mac Enthusiast
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Nov 17, 2008, 09:30 PM
 
Comparing the new 2.0 and 2.4 MBs, in doing the same tasks, which computer would run cooler?

Or would there even be a difference?

Would the 2.4 be cooler because it is faster and more "efficient," or would it be hotter because it is a more powerful processor overall?
10.7.1 on Mac Pro 8x2.8
     
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Nov 17, 2008, 09:53 PM
 
I've got a 2.4 MB which I'm typing on right now. It's on my lap and I'm wearing shorts (so it's directly on my skin) and it's a bit cooler than my skin except for a small part on the left side which is just a tad warmer. This thing is VERY cool to the touch... seriously. So either way I wouldn't worry about it. I'm thinking it won't be an issue.

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Nov 17, 2008, 09:56 PM
 
Well I've already got a new MB. I'm asking for some "expert" opinions as the heat for the sake of knowledge/information.

Thanks.
10.7.1 on Mac Pro 8x2.8
     
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Nov 18, 2008, 02:17 AM
 
Both CPUs have the same TDP if that's what your curious about.
     
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Nov 18, 2008, 08:33 AM
 
Originally Posted by Simon View Post
Both CPUs have the same TDP if that's what your curious about.
That being the case, which runs cooler?
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Nov 18, 2008, 09:14 AM
 
Neither, if both have the same TDP they produce the same amount amount of heat
~Mike
     
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Nov 18, 2008, 09:26 AM
 
Originally Posted by Maflynn View Post
Neither, if both have the same TDP they produce the same amount amount of heat
Sorry. I always understood the TDP to impact the heat dissipation, but I did not realize it was the all-controlling factor in the amount of heat dissipated. Was I mistaken? I am interested in learning more about this.
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Nov 18, 2008, 09:56 AM
 
It is the heat dissipation and both have identical requirements. Its not all-controlling, its just the specifications on the intel site are identical (I assume the 2GHz is the T8100 and the 2.4 is the T8300).
~Mike
     
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Nov 18, 2008, 10:40 AM
 
The T8100 is a Crestline part and it's 2.1 GHz actually.

The 2.0 GHz Penryn used in the MB is a P7350. The 2.4 GHz Penryn is a P8600. They both run on a 1066 MHz FSB and have 3 MB L2 cache and a 25W TDP.
     
   
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