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intel cpu heat generation

post #1 of 5
Thread Starter 
1st of all hello, overclock.net , this is my first post here.

2nd: i'm interested in building a cooling system, the plan is partially layed out but i'm lacking some info that would help me size it properly.
i'm looking for a calculator or a table that would help me calculate the amount of heat the processor generates. i know, for example, that an e2200 at stock freq uses 65W of electricity in full load, but i don't know how much of the 65W are converted into heat (thermal efficiency, processor efficiency being [1-thermal efficiency], so whichever value is ok). i would also like to know how efficiency varies with voltage, temperature and frequency(if at all).

basically i want to be able to predict how much heat i need to absorb to maintain the cpu temperature stable, so that i can size the cooling device properly (not to weak but not too big/noisy/power hungry)

thx in advance. links to calculators, cpu efficiency tables or ANY info on this subject will be greatly appreciated.

regards, ovideo.
Maruka
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Maruka
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post #2 of 5
That will depend more on the amount of vcore (voltage) that is used. For example an E2200 can most likely run 3.0Ghz on the standard voltage and will barely generate more heat with a decent cooler on it.
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post #3 of 5
Firstly, please fill in your system specs in your UserCT.
Which processor are you looking for the stats of?
P.S. welcome!
post #4 of 5
No.... A stock E2200 has a 65w TDP. This means that Intel says it needs a cooling system capable of handling at least 65w in the worst case scenario. This is only related to power consumption and temperature. As power consumption increase, heat generation increase exponentially.

Quote:
not to weak but not too big/noisy/power hungry
Why does it matter? Just get something that is more than enough. What is wrong with big? The bigger the cooling device generally means less noise is possible. Most air coolers only need a fan that uses less than 5w.
Once again...
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Once again...
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post #5 of 5
Thread Starter 
system specs coming up in a minute

so 65W means 65W of power consumption AND 65W of heat generated?
meaning thermal efficiency close to 100%?

i'm looking for the specs for e2200 right now, but other processors will come up after i'm building mine (friends will be interested).

i'm not talking about air cooling, i'm talking about hybrid cooling in a marketable form, either peltiers or freon +isopropanol in a device that can fit in either 2 or 3 dvd-rom bays. the details will be posted when i start building it, but right now i'm stuck with calculations. the goal is to create a design that i can build in 4-6 hours (given the necessary components) using under $100 worth of materials to cool to 0 degrees celsius or less. i might not reach that goal entirely but i will get pretty close.

edit: ok... problem solved, i got my answer on... wikipedia of all places )

a cpu that draws 65W from the psu will generate 65W of heat so that is what i need to absorb.
now all i need is a power consumption calculator. i'll google it, but feel free to post links if you know of one that is especially accurate
otherwise the thread can be closed, i'll place the order for the parts (i'll go with peltiers for now, easier build) and return with photos during the build.
Maruka
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Maruka
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Hard DriveMonitorPowerCase
2xST3250410AS raid 0 Samsung 223BW Fortron BlueStorm II 400 Asus TA-861 
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Microsoft optical crap 800dpi 
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