High Performance Low Power CPU

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vineet1992

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Jun 16, 2014
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Hi,
I am trying to assemble a high performance (>=2GHz) and low power consuming CPU. I do not have much information on how to compare two different processors in terms of power efficiency. I came across this term TDP (Thermal Dissipation Power) but I think this is not the best way to compare.

I have the following options -
i7-4770 @ TDP 84W
i7-4770T @ TDP 45W
i7-4600M @ TDP 37W

So does this mean for performing the same task, say a CFD analysis, the 4600M processor consumes the least amount of power?

I need extreme performance only on some occasions rest of the while I want my system to be very much power efficient. So in case I buy the i7-4770 84W TDP processor can it be configured for a lower power consumption by limiting the clock or by limiting the TDP somehow?

Now the i7-4770 processor is available for FCLGA1150 socket. Will it work with a LGA1150 socket motherboard. I've read some threads where people discuss about the BIOS not recognizing the CPU in such case?

I am open to other suggestions as well in regard to the selection of such processors.

Thank You
 
Solution
InvalidError
The i7-4600M is a 2C4T chip, which makes it effectively equivalent to a desktop i3. Nowhere near the same performance as a desktop i7.

If you want a 4C8T in mobile form factor from Intel, you need to look at Intel's QM and XM i7.

I do not see why you would "need" to lower the i7's performance or TDP unless you actually need to reduce power dissipation or drain from a limited power source: the faster the CPU can complete its task(s), the sooner it can go back to deep-sleep state where the CPU draws almost no power assuming your PSU and motherboard can gracefully handle the large load transients this generates on supply rails.
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sincreator

sincreator

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May 27, 2009
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Yes that CPU will work in a 1150 socket, but you may need to update your motherboard bios first. You could get the i7-4770 and down clock it, but you may have to do some research to find out what voltages you need for the lower clocks. Disabling turbo boost in the bios will lower the TDP as well, so you could also try that.
 
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InvalidError

InvalidError

Titan
Moderator
May 18, 2007
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The i7-4600M is a 2C4T chip, which makes it effectively equivalent to a desktop i3. Nowhere near the same performance as a desktop i7.

If you want a 4C8T in mobile form factor from Intel, you need to look at Intel's QM and XM i7.

I do not see why you would "need" to lower the i7's performance or TDP unless you actually need to reduce power dissipation or drain from a limited power source: the faster the CPU can complete its task(s), the sooner it can go back to deep-sleep state where the CPU draws almost no power assuming your PSU and motherboard can gracefully handle the large load transients this generates on supply rails.
 
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