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Q9550 Core Temp Variation

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February 12, 2010 5:18:17 PM

Hi all, just wanted to know if you think these temps at idle are ok regarding the spread. Thanks. :) 



Hardware monitor Intel Core 2 Quad Q9550
Temperature 0 40°C (104°F) [0x3C] (Core #0)
Temperature 1 25°C (77°F) [0x4B] (Core #1)
Temperature 2 31°C (87°F) [0x45] (Core #2)
Temperature 3 22°C (71°F) [0x4E] (Core #3)

Hardware monitor Radeon HD 5850
Temperature 0 37°C (97°F) (GPU Core)

Hardware monitor Winbond W83627DHG
Voltage 0 1.13 Volts [0x8D] (CPU VCORE)
Voltage 1 12.04 Volts [0xD8] (+12V)
Voltage 2 3.36 Volts [0xD2] (AVCC)
Voltage 3 3.33 Volts [0xD0] (+3.3V)
Voltage 4 1.70 Volts [0xD4] (VIN1)
Voltage 6 1.14 Volts [0x8F] (VIN3)
Temperature 0 28°C (82°F) [0x1C] (SYSTIN)
Temperature 1 15°C (59°F) [0x1E] (CPUTIN)
Temperature 2 34°C (92°F) [0x43] (AUXTIN)
Fan 0 1372 RPM [0x7B] (SYSFANIN)
Fan 1 1318 RPM [0x40] (CPUFANIN0)
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February 12, 2010 6:08:21 PM

how come the first cores running a lit hotter than the others.. have u checkd wat processes u have running? other than that ur numbers are ok. Btw wats ur PC case?
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a b à CPUs
February 12, 2010 8:45:28 PM

The temps are all perfectly safe, and it's not unusual for one core to be hotter than another. A lot of programs only use one core, and if one core is getting heavier use, it'll generate more heat. Or, it could be that the thermal paste came out a little unevenly.

If these are just idle temps, you might try running a benchmark that maxes out all four cores at the same usage. If it's still giving greatly different results, you can reapply the thermal past if you want. Although it's also possible that there's nothing to be done about it. Just like no two CPUs in the same batch are exactly the same, one core can just be a little different from another and run hotter.
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February 13, 2010 9:03:38 AM

Thanks for the reply guys, PC case is Antec 300 with 2 extra intake fans. The reason I have a query about core temps is because my PC build randomly shuts down/ powers off and thought variation in core temp may trigger this . . .
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February 13, 2010 9:23:24 AM

I have a q9550 and at core 0 i have all the tine 39 in idle. When a running something what stres the procesor ,the temperature go up almost equal with the other cores. The problem coulod be the termal sensor. A lot of quads have this problem.Sorry for my english
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February 13, 2010 10:38:04 AM

hmmm, sosofm has a point. Mine stays a few degrees below urs...but ur well in the safe zone! :wahoo: 
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February 13, 2010 10:47:12 AM

Thanks again, I'll explore all avenues before resorting to re-applying TIM !!!
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February 23, 2010 8:10:55 AM

Best answer selected by jammypox.
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