Is this pretty cool for a q6600 with g0 stepping?

[lollybo]

Based off coretemp, my core temperatures are:

37
32
32
37

Why are some cores hotter than others? Is this a good idle core temperature? I am using a AC freezer 7 pro.

Also, why does speedfan and my mobo monitor say that my temperature is 26?

 

[aigomorla]

Originally posted by: lollybo
Based off coretemp, my core temperatures are:

37
32
32
37

Why are some cores hotter than others? Is this a good idle core temperature? I am using a AC freezer 7 pro.

Also, why does speedfan and my mobo monitor say that my temperature is 26?

You can never give idle temps as a OK question.

You need to download Prime95 25.3 or higher, load up all 4 cores and then tell us your LOAD temps.

Also you failed to tell us your voltage, and overclock settings.

 

[lollybo]

FSB is set on default, or 266.

Why is there a 5 celcius difference between some of my cores? Even when the processor is stressed, its a little uneven.

I am stress testing on prime 95, and my temperatures read:

61 57 57 61 after 10 minutes of stress testing.

What could account for the variation?

 

[BonzaiDuck]

Several things that you needn't worry about.

The cores don't load up software or distribute "affinities" to the cores evenly.

For instance, I can watch my core temperatures with Everest Ultimate or with CoreTemp. Generally, three of the four cores show identical temperatures between the two programs, but Everest shows core #0 as running (or peaking) about 5C higher. A little investigation shows that Everest is using core #0, and it is monitoring the core temperatures, the TCase temperature, the graphics GPU and GPU Diode temperature, two temperatures of thermal sensors I have connected to the motherboard, all the voltages in the system, and all the fan-speeds in the system -- and I cannot be sure if I didn't miss something there. CoreTemp has very little overhead, other than keeping track of the CPU core temperatures and logging them.

Second, the IHS or processor cap on your CPU is not perfectly uniform on its outer surface. This is why some people are lapping their processor cap in addition to the base of their CPU cooler/heatsink.

Third, there are minor irregularities in the placement of the cores underneath the processor cap.

I'm looking at your idle and load values. I can only say that your idle values vary more than my own, while your load values vary less -- that is, my idle values vary by maybe 3C between the lowest and highest cores, and my load values vary by between 5C and 6C degrees between lowest and highest.

Your question caught me at a moment when I was repeating a stress-test run with double-instances of ORTHOS today, because I decided to drop the 1.2VHT voltage in my BIOS by 0.05V from the setting it was at for a couple months, and I wanted to assure stability. I was surprised to find that the maximum variance between my cores is only about 5C degrees.

I have noticed that the variation seems to expand from idle to load, but on your system, this doesn't seem to be true. But I can't see that your temperatures are all that far out of whack, and with a 4C delta between cores, I would be very comfortable with your temperatures. If you over-clock the processor, you should notice the variatiion to increase enough to see it, especially if you increase the VCORE voltage even 2 to 5%.

 

[lollybo]

Thanks, it's always good to hear feedback from somebody else.

On a side note, can adjusting RAM voltage alter CPU temperature?

 

[kenrippy]

Originally posted by: lollybo
Thanks, it's always good to hear feedback from somebody else.

On a side note, can adjusting RAM voltage alter CPU temperature?

not if your cpu speed remains the same.

cpu speed & vcore are the only real factors in your cpu temps. of course actual stress on the cpu will increase temps (prime95 etc.)

 

[BonzaiDuck]

I agree.

Also, it's worth saying that pushing RAM configurations to just within their upper spec limits should not be a heat issue, despite the popularity in recent years of putting fans and coolers all over RAM modules. Maximum PC used infrared equipment to show that RAM just doesn't heat up that much in a variety of computer configurations.

 

[aigomorla]

Originally posted by: lollybo
FSB is set on default, or 266.

Why is there a 5 celcius difference between some of my cores? Even when the processor is stressed, its a little uneven.

I am stress testing on prime 95, and my temperatures read:

61 57 57 61 after 10 minutes of stress testing.

What could account for the variation?

load temps look fine. You want to keep all 4 cores below 70.

The variation in your core temp is due to uneven mount on your heat sink. When your cpu is lined up it looks like this

0
1

2
3

http://www.ocforums.com/attach...317&stc=1&d=1188833514

Your middle cores are showing that there is a 4C delta which isnt very bad. Anything greater then 7C should bring concern.

But it just means your IHS is a bit pushed up in the middle. Only solution is to LAP the IHS, but as i said, 4C isnt very bad.