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I5-3570k uneven core temperatures

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December 27, 2012 8:48:51 PM

Simple request for advice on unbalance idle temperatures - have tried searching but the main bar doesn't seem to cover the forum??

I have a new i5-3570k with Arctic Cooler Freezer 13 on Asus Z77 MB. In an Antec P182 case, full fans.

It was assembled and pre tested by Scan (cheaper pre-assessmbled) - they were supposed to apply a moderate overclock but not seen signs to suggest they have so far. Temperatures below.

At idle (1.6GHz, 1.04V) Core temp shows, ambient probably 18-20ish:
- #0 38C
- #1 18C
- #2 23C
- #3 21C

On Prime 95 blended test (3.6Ghz, 1.2209V)

- #0 60C
- #1 57C
- #2 62C
- #3 58C


Would be helpful to understand if unbalanced Core #0 is usual at idle or whether it suggests a potential problem in fitting or component. Will intend to overclock in 2013 (once I've got used to how much faster it is than my Q6600!!) would like to ensure I have a good chance of stable around 4GHz.

Help much appreciated.
a c 190 à CPUs
December 27, 2012 9:04:48 PM

These temperatures are standard for what you will see. Core #0 is the first core that is being used the most. Core #2 is generally the hottest of all the cores when they are all running because it is is between the other cores and doesnt bleed the heat as well other other cores. With good cooling you shouldnt have a problem reaching well over 4GHz. I have my Intel® Core™ i5-3570K running at 4.3GHz at 1.2v.
December 28, 2012 8:39:11 AM

Christian - thanks for the reply that's great.
!