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Re: 8 core or 12 core?

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Erik Lindahl
Re: 8 core or 12 core?
on Feb 6, 2014 at 1:12:00 pm

[Ben Mullins] "I noticed that too, that the more cores you want the slower the processor speeds are. Why?"
Basically each CPU as a threshold of how much power (W) it's allowed to use before it starts to damage the system. Hence a 12-core machine has to be clocked lowered than a 4-core machine.

However, all CPU's have the option of using their "turbo boost" feature which will change the picture above quite a lot.

4-Core Machines scale from 3.9 Ghz with 1 core to 3.7 Ghz with 4 cores active
6-Core Machines scale from 3.9 Ghz with 1 core to 3.6 Ghz with 6 cores active
8-Core Machines scale from 3.9 Ghz with 1 core to 3.4 Ghz with 8 cores active
12-Core Machines scale from 3.5 Ghz with 1 core to 3.0 Ghz with 12 cores active

As I wrote in another reply, the 4, 6 and 8-core machine will be very similar when 1-4 cores are used. The 6-core will have a slight edge at 6-core activity, the 8-core at 8-core. The 12-core machine will only be favorable when 10 or more cores are being used.


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