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post #11 of 15
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.
I am one of those people. Stock clocks with NH-D14 I was running an average of 24* idle in a 18* room and under load for an hour in prime I hit 56* AVERAGE across the four cores.

Overclocked to 4ghz @ 1.272v with the same heatsink raised idle to 30* average and 65* load 1 hour prime load.

Overall only a 10* increase in max temps from a 4ghz overclock doesn't seem to bad.

OP I would take another look into your heatsink mounting. I was pulling 33* average idle on the stock Intel crapsink with stock paste.
Black Sand
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Black Sand
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post #12 of 15
Quote:
Originally Posted by turkishmafia View Post
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.
By my understanding the probes are calibrated to be precise and accurate at the TJ Max and note necessarily at any other point. I'm sure they are accurate in the fact that 45 degrees will always be hotter than 44 by the same probe but I don't think a degree or two at a pretty significant temperature below TJ Max is out of the question between different CPUs.
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Sandy Bridge-E
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post #13 of 15
Thread Starter 
Quote:
Originally Posted by blackbalt89 View Post
I am one of those people. Stock clocks with NH-D14 I was running an average of 24* idle in a 18* room and under load for an hour in prime I hit 56* AVERAGE across the four cores.

Overclocked to 4ghz @ 1.272v with the same heatsink raised idle to 30* average and 65* load 1 hour prime load.

Overall only a 10* increase in max temps from a 4ghz overclock doesn't seem to bad.

OP I would take another look into your heatsink mounting. I was pulling 33* average idle on the stock Intel crapsink with stock paste.
That's absolutely a huge difference. May I ask which thermal paste you are using?
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post #14 of 15
Thread Starter 
Quote:
Originally Posted by TickleMeElmo View Post
By my understanding the probes are calibrated to be precise and accurate at the TJ Max and note necessarily at any other point. I'm sure they are accurate in the fact that 45 degrees will always be hotter than 44 by the same probe but I don't think a degree or two at a pretty significant temperature below TJ Max is out of the question between different CPUs.
Yup, I do understand and agree with this. Thanks again.
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post #15 of 15
Thread Starter 
So based on the information that I have learned from everyone's responses, I've decided to go ahead and reapply thermal paste. Should I use some MX-2 that I have left, should I purchase some MX-4, or should I look into another brand besides Arctic? My primary preference is for the TIM to be easily spreadable (like the MX-2), but great in keeping low temperatures as well.
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i7-950 @ 4.02 Ghz Asus Rampage III Formula EVGA GTX 690 6 GB DDR3 1600 Corsair Dominator 
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256 Gb Samsung 830 SSD, 64 GB Crucial C300 SSD,... Asus DVD-RW Win 7 Pro, 64-bit 27" Samsung S27A950D 
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256 Gb Samsung 830 SSD, 64 GB Crucial C300 SSD,... Asus DVD-RW Win 7 Pro, 64-bit 27" Samsung S27A950D 
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Logitech G710+ Cooler Master 1.2 kW Gold Maingear Shift Limited Edition Chassis Razer Mamba 2012 
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