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[Official] Ivy Bridge Owners Thread - Page 236

Poll Results: Which Ivy Bridge CPU did you buy?

This is a multiple choice poll
  • 50% of voters (692)
    i5 3570k
  • 43% of voters (586)
    i7 3770k
  • 6% of voters (91)
    Other
1362 Total Votes  
post #2351 of 7362
A 3770k. My last core is always colder than the others, and one core is always hotter than the others, both on stock and oc.

I've put the TIM a short line on the middle on the IHS, and then 4 thin bubbles on the 4 corners of the IHS.
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post #2352 of 7362
my 3570k has one core that runs rougly 10c lower than others. I've remounted it once but nothing really changed. Could have something to do with the thermal paste under the IHS, or maybe the core is just more efficient or something.
post #2353 of 7362
Mine lower idle (all stock 3.5Ghz) core is 27 degrees and the hotter is 33. And on turbo 3.9Ghz on prime95 the hotter core is 65 degrees and the coldest is 58 degrees.

And on 4.5Ghz(playing Battlefield 3 for 30 mins) @ 1.21v (CPU-Z reporting 1.84v) the hottest core is 62 degrees and the coldest one is 57 degrees. And on same frequency 4.5Ghz on prime95 i know the hottest one is 75 degrees and the coldest one is around 68...

So in all circumstances my core temperature difference is around 6-7 degrees. Is that OK ?

I didn't run prime95 for hours, just a couple of minutes for the temps to settle. (i guess if i will run it for hours, i could get around +3-4 degrees).
Edited by CalinTM - 7/21/12 at 3:31pm
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post #2354 of 7362
Quote:
Originally Posted by CalinTM View Post

A 3770k. My last core is always colder than the others, and one core is always hotter than the others, both on stock and oc.
I've put the TIM a short line on the middle on the IHS, and then 4 thin bubbles on the 4 corners of the IHS.

TBH (and i'm no expert) i'd say thats too much thermal paste - you could try re applying using just the line method, or blob. But that wouldnt account for that much difference in core temps - depsite the ever lasting debates there are about whats best

Also bear in mind that the cores will always differ from each other, you'll never get them all being the same temp. I have about 5 deg difference on my 3930k. As long as their within the limits and its stable i really wouldnt worry too much
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post #2355 of 7362
Quote:
Originally Posted by CalinTM View Post

It's normal to have 10 degrees difference between the cores ? I am using Noctua D14 and MX-4 paste.

a lot of people do...including myself.
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post #2356 of 7362
Quote:
Originally Posted by malikq86 View Post

a lot of people do...including myself.

Me too
post #2357 of 7362
Quote:
Originally Posted by CalinTM View Post

It's normal to have 10 degrees difference between the cores ? I am using Noctua D14 and MX-4 paste.

Mine has a 10C difference between cores. Base your temperatures on the hottest core as opposed to the coldest or in the middle...

While folding my PC shows 61-71-68-68 for temps *shrug*
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post #2358 of 7362
my cores show the greatest difference when idle or medium load.. the gap gets smaller usually when at high loads

ive had 4 different 3770k chips.... this trend holds for all of them, even though the difference between hottest/coldest is different for each one
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post #2359 of 7362
Ok, so it's kinda normal, thanks. I have the same thing, on idle or medium load i have the difference, but on high, isn't that big.
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post #2360 of 7362
Mine are about 5c different, I'd say it's to do with the thermal paste. Along with the possibility of the paste underneath the IHS being not a great spread too. It's about the same at max load for 6 hours afaik, I'll be reapplying soon so i'll get back to you smile.gif

EDIT: To the guy that has terrible CPU-Z voltage readings.. Tried a later bios/CPU-Z? Mine is almost perfect.. It usually sits one setting lower than what I set it in the BIOS. biggrin.gif
 
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