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e8400 wolfdale idling at 45 C?

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April 29, 2008 3:19:53 PM

I have heard CPU's should idle at about 30C. I am using the stock cooling that came with the processor. Is this normal?


If not, recommend me an after market cooler (fan & heatsink), I play games, mostly Oblivion.


I will post temps during game play soon...ok, seem to go up to 50 C while playing Oblivion.

More about : e8400 wolfdale idling

April 29, 2008 3:42:40 PM

45c seems quite high.. even for the stock cooler. I would check how well the heatsink is seated before you bother buying a new one
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April 29, 2008 3:57:49 PM

What are you using to read the temps cause some programs dont read it right. idle is a little high but load temp is fine, i would check it with realtemp or hwmonitor.
a b à CPUs
April 29, 2008 4:00:41 PM

What's your room temperature? For example if it's 31C, there's no way air cooling will keep your CPU at 30C.
a b à CPUs
April 29, 2008 4:01:52 PM

Using AS5 and an AC Freezer Pro, Right now my E3110(same processor really) is idling @ 26c but then again It is colder than normal in here. Last night playing the witcher it only got to 35c. Normally it idles at 30-34c depending on room temps.


edited grammar/spelling.
a b à CPUs
April 29, 2008 4:19:34 PM

victordilorenzo said:
I have heard CPU's should idle at about 30C. I am using the stock cooling that came with the processor. Is this normal?


If not, recommend me an after market cooler (fan & heatsink), I play games, mostly Oblivion.
Well your motherboard info would help if we were to recommend something, Case size matters as well.
But as the guy directly below you mentions, check that the heatsink is securely mounted, and you may want to consider swapping out Intel's thermal paste for some AS5. <- $9.49 @ Radio Shack

The Intel stuff that came with my old 2160 went bad inside of a month I ordered it on 3/10/2008, and by 4/7/2008 i had ordered my AC Freezer 7 because it started getting very hot... when i removed the heatsink there was next to no paste left.

April 29, 2008 5:00:52 PM

cliffro said:
Well your motherboard info would help if we were to recommend something, Case size matters as well.
But as the guy directly below you mentions, check that the heatsink is securely mounted, and you may want to consider swapping out Intel's thermal paste for some AS5. <- $9.49 @ Radio Shack

The Intel stuff that came with my old 2160 went bad inside of a month I ordered it on 3/10/2008, and by 4/7/2008 i had ordered my AC Freezer 7 because it started getting very hot... when i removed the heatsink there was next to no paste left.



I keep hearing about this thermal paste, would that have been on the heat sink (factory applied)? because there was none in the box (or on the CPU), oh, the heatsink did have a few grey shiny patches on it, wasn't greasy though.


also, the mobo is a gigabyte DS3L, its 21 C in my house now, I am using "core temp" to read the CPU temp, I will try one of the programs you guys suggested.

I am using a comp usa case from 1995 w/ 3 fans rigged inside, 2 by the GPU (superclocked 8800GT) and the 1 exhaust right below the PSU. Maybe I will put another up top for better cross ventilation too.
a c 126 à CPUs
April 29, 2008 5:07:12 PM

ZHe is using the stock HSF so thats why. I suggest either a Zalman CPNS9700 (great cooling and looks awesome), Thermalright Ultra 120 or the Tuniq tower. All three will keep that CPU nice and cool.

I personally use the Zalman CPNS9700 on a Q6600 OC'ed to 3GHz and it runs at 32c idle and hits maybe 50c, 55c on a hot day under load.
a b à CPUs
April 29, 2008 6:45:17 PM

I found the perfect TIM for non-enthusiasts(application wise),
ZALMAN ZM - STG1 Thermal Compound - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Apparently its getting good reviews....its the stuff that comes with Zalman H.S.
Same price as AS5 @ newegg.


Another question is are you overclocking?
April 29, 2008 6:57:31 PM

USE REAL TEMP all other programs are off by about 10dg or so.
Believe me its not your heatsinc or the paste.There is a bunch of forums out there on the E8400 not giving correct temps.
April 29, 2008 7:51:07 PM

ivanski said:
USE REAL TEMP all other programs are off by about 10dg or so.
Believe me its not your heatsinc or the paste.There is a bunch of forums out there on the E8400 not giving correct temps.



yeah, I put in an extra fan just for the hell of it, I DLed real temp and it shows 30-31 C idle. I guess I am good tog then, thanks guys. I will buy the thermal grease though, also just for the hell of it.
May 10, 2008 12:58:02 PM

I also have the temp issue. idle at 49C to 51C and will go to 72C full load. I have repasted the stock heatsink and no change. There are a lot of people that are having temp issues with these processors. I have used Asus pc probe, realtemp and core temp to measure temps and I have used a IR temp gun to measure actual temps and I get 30C at idle and after playing COD4 i get 36 to 38C. Thes reading are at the heatsink for the cpu. I am going to try a bios update to try and correct issue.

System is as follows

MB Asus P5N-d
E8400 NO OVERCLOCK
2 Gig Adata DDR2 800 5,5,5,18
250 Gig wd hd
BFG 8800GT oc
Antec 900 case all fans set to med
May 10, 2008 2:44:49 PM

Mine E8400 idle ~ 39C with Asus AI Suite..and 41C with Real Temp 2.5. I clean off the CPU and apply a drop of Artic MX-2, then OCZ Vendetta 2 with Thermalright LGA775 bolt-thru..I did it 2 times to see if there's any improvement but none...Always idle around 39C..If I take off case cover then it idle ~ 34C or so..

I would like to know between E2140 & E7200..Which one use less power at idling??
May 10, 2008 3:49:06 PM

victordilorenzo said:
I keep hearing about this thermal paste, would that have been on the heat sink (factory applied)? because there was none in the box (or on the CPU), oh, the heatsink did have a few grey shiny patches on it, wasn't greasy though.


also, the mobo is a gigabyte DS3L, its 21 C in my house now, I am using "core temp" to read the CPU temp, I will try one of the programs you guys suggested.

I am using a comp usa case from 1995 w/ 3 fans rigged inside, 2 by the GPU (superclocked 8800GT) and the 1 exhaust right below the PSU. Maybe I will put another up top for better cross ventilation too.



Those grey patches are Intel's TIM (Thermal Interface Material). They aren't greasy but after you mount the CPU and turn the system on they melt to cover the surface. The stock TIM isn't as efficient as most aftermarket products so even when using the stock cooler it's a good idea to wipe it off and use something else like AS5.

These are my temps with my E8400 @ 3.6ghz

!