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First build, i7-950

post #1 of 15
Thread Starter 
Hi everyone,

I have recently finished my first build. Before getting into any overclocking, I wanted to confirm with everyone my baseline temperatures.

My load temperatures can be seen in the attached picture using prime95 torture test for 1:00 hour. My idle temperatures are as follows core0: 37C core1: 31C core2: 34C core3: 31C. I am currently using the CM Hyper 212+ CPU fan with MX-2 TIM (in a HAF X case).

Since the CPU is not yet overclocked, are these temperatures all right? I have read many responses on this topic, but it seems that everyone lists load and idle CPU temperatures and not the individual cores, so this led to some confusion on my part. That's why I wanted to get some expert opinions from you guys! Thanks in advance for the help. My apologies if I have left out any relevant information; if I have, please let me know and I will be more than happy to provide.
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post #2 of 15
under 40 is great isnt it ? they look good to me
post #3 of 15
Generally:

1. Your temperatures are affected by the ambient temperature.
2. People list the temperature of the hottest core, there will be fluctuations between the cores but generally one or two cores may be hotter than the rest regardless of what application you use.

Under 70 is a decent temp, not great while stock though, how much paste did you use?
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post #4 of 15
Yeah, with a 212+ in an HAFX I'd expect lower temps than that. Quite often people using heat sinks with the direct heat piping will forget to apply some paste to the sink itself to allow for the void spaces created by the heat piping- AND apply the normal bead / line (take your pick on favourite application that you swear by) on the CPU. If you look at your CPU now you'll probably find some bare spots on it, and wads of paste in the heat pipe / plate spaces.

Honestly? Stock I would expect your idle temps to be in the mid 20s. Also, if memory serves that MX-2 stuff is pretty old by today's standards. Do you and future overclocking efforts a favour and grab up a tube of some MX-4 or other competitive paste. (Lots of options).

Like the first response said under 40 is safe... but then again under 100C is considered safe... almost 40 degrees before turning the heat on sounds a bit on the warm side- warmer than average anyway. With that being said- your PRIME95 temps under load for what looks like an hour in the mid 60s doesn't sound bad... again- some with the same setup as you are pulling mid 60's temps at 4Ghz so I think there is room for improvement. Your comp isn't going to be the next Chernobyl... but it's worth a look.
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post #5 of 15
You left out the most important setting of all!

CPU voltage.

Also, ambient temperature.

Let me know these two and I will let you know how well you're doing .
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post #6 of 15
I dont think I mentioned this in my last post but different CPUs will have different leakages and therefore different temperatures even at the same voltage. The accuracy of the temperature probes is also debatable.
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post #7 of 15
Thread Starter 
Quote:
Originally Posted by Eno75 View Post
Yeah, with a 212+ in an HAFX I'd expect lower temps than that. Quite often people using heat sinks with the direct heat piping will forget to apply some paste to the sink itself to allow for the void spaces created by the heat piping- AND apply the normal bead / line (take your pick on favourite application that you swear by) on the CPU. If you look at your CPU now you'll probably find some bare spots on it, and wads of paste in the heat pipe / plate spaces.

Honestly? Stock I would expect your idle temps to be in the mid 20s. Also, if memory serves that MX-2 stuff is pretty old by today's standards. Do you and future overclocking efforts a favour and grab up a tube of some MX-4 or other competitive paste. (Lots of options).

Like the first response said under 40 is safe... but then again under 100C is considered safe... almost 40 degrees before turning the heat on sounds a bit on the warm side- warmer than average anyway. With that being said- your PRIME95 temps under load for what looks like an hour in the mid 60s doesn't sound bad... again- some with the same setup as you are pulling mid 60's temps at 4Ghz so I think there is room for improvement. Your comp isn't going to be the next Chernobyl... but it's worth a look.
Yes, I should have mentioned this in my original post. I noticed the void spaces that you speak of, so I actually made sure to fill those gaps and create an even layer of thermal paste on the sink itself. Afterward, I placed three lines, about 1/3 length each so that the thermal paste would spread evenly on the processor.

But I feel that I should mention that the hyper 212+ was a bit tricky to install, not because it was difficult, but rather because it required some unique dexterity. At one point, after I had placed the heatsink on top of the processor (with the thermal paste already spread on), the heatsink separated from the processor hence breaking the vacuum seal that was created between it and the processor. Although I placed it right back on and in the same position, and then made sure to twist the heatsink slightly left and right to ensure even spreading of the thermal paste, perhaps this is where the problem lies. What do you think?
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post #8 of 15
Thread Starter 
Quote:
Originally Posted by Plex View Post
You left out the most important setting of all!

CPU voltage.

Also, ambient temperature.

Let me know these two and I will let you know how well you're doing .
Sure thing!

The ambient temperature is at a constant 23 C.

The CPU voltage is supposed to be stock. While under load, CPU-Z shows the voltage as 1.208.
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post #9 of 15
Thread Starter 
Quote:
Originally Posted by TickleMeElmo View Post
I dont think I mentioned this in my last post but different CPUs will have different leakages and therefore different temperatures even at the same voltage. The accuracy of the temperature probes is also debatable.
Although I agree that this indeed is a possibility, I doubt that the temperature sensors that are used will vary from one another since they are all designed the same. I can understand the CPU having different leakages, but the temperature sensors should all exhibit the same variability and error. Since we all compare our temperatures to each others' and benchmarked values, these variabilities are eliminated upon comparison since the measurement error should be the same. However, this is solely my hypothesis, I am not an expert and could very well be mistaken.

In response to your other reply, the amount of paste I used was about average, I made three small streaks 1/3 the length of heatsink in contact with the CPU. Ambient temp. is 23 C. Also I wasn't aware that people listing their temperatures referred to their highest core temperature, thank you for this information.

Just as importantly, I want to thank you and everyone for your very informative replies, they have been very helpful so far. I look forward to the subsequent responses to the new information I have provided. Thanks again.
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post #10 of 15
Quote:
Originally Posted by turkishmafia View Post
Yes, I should have mentioned this in my original post. I noticed the void spaces that you speak of, so I actually made sure to fill those gaps and create an even layer of thermal paste on the sink itself. Afterward, I placed three lines, about 1/3 length each so that the thermal paste would spread evenly on the processor.
Sounds like you might have overkilled the paste... someone else might want to chime in here but if it were me I'd apply that even layer on the sink like you mentioned and then just do the normal application (single line / bead) on the processor itself. I know the bead is popular- but I also know that the single line 2/3rds down the center of the processor is popular and reduces the chance of air bubbles.

To do the thin layer on the sink AND 3 lines might be too much.

Also, I feel your pain about the dexterity needed to get that sink in properly... it's not so bad if you're not in the case- Honestly, took me a couple of "dry runs" to get a technique that was suitable for a "wet" run. A little of practice will help smooth things out if you decide to reapply.
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