New thermal paste and CPU temperature

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Slobo11ify

Slobo11ify

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Oct 31, 2014
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Today I replaced my Core 2 Duo E6550 2.33 GHz with a Core 2 Duo E8500 3.16 GHz.
E6550 usually had temperatures arround 30-40 while using Steam or Chrome.
The thermal paste on E6550 was very old and it hasn't been replaced since 2014 I think.
I have Dell OptiPlex 755, it's known for that big fan that blows air to aluminum heatsink.
I think that I put enough thermal paste on the new CPU (just like they show on YouTube, a single dot, about a size of grain of rice) and I put my heatsink back on it to spread the thermal paste.
Now when I look at CPU-Z, I can see that the temperatures are bit higher now. Now it's from 44 to 50 (usually 48).
YDD3JgQ.png

As you can see there are Core 0 and Core 1 temps which are not the same ...
MR2GYqI.png

So now I'm wondering if this temperature is ok for this CPU and fan ? Maybe it's because old CPU was not so strong to have higher temps.. Should I try changing the paste again or I should keep it like this (to be honest I'm too lazy to change it again). I still haven't tested gaming with it, I'll give you a reply later once I play something.
 
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MrNiemo
The most you'll lose is probably about 3 degrees Celsius after the "break in" realistically, but it's good to break it in correctly. If the program you're getting a temperature reading from only gives you the current temp and not min/max give Core Temp or HWMonitor a try. HWMonitor may be too informative as it gives you temp readings for each individual core(it's hard to know what to really pay attention to or if the program is actually giving you accurate readings), Core Temp will give you 1 temp and a min/max so long as the program is running in the background(so if you're gaming for hours and the room even starts to heat up you can get a pretty accurate image of where you're topping out). A lot of people swear by Core Temp in my...
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MrNiemo

MrNiemo

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Thermal pastes such as arctic silver require about 8 days to "break in"(probably all thermal pastes). During this time you should shut down the computer a few times and let everything cool down to room temperature(say about 4 or 5 hours). At the end of the 8 days it should be a few degrees cooler(nothing amazing!). If 50c is the highest you've seen I wouldn't worry anyways. You're probably 25-30 degrees lower than the maximum for that chip.
 
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Slobo11ify

Slobo11ify

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Oct 31, 2014
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From what I've seen while playing
Battlefield 3 on High settings is that I get about 60c (probably even more because I minimize the game to see temps so maybe they fall of a bit by that). By the way that's exactly what I was thinking about "breaking in" when I saw temps at first.
 
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MrNiemo

MrNiemo

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Sep 30, 2016
124
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4,760
The most you'll lose is probably about 3 degrees Celsius after the "break in" realistically, but it's good to break it in correctly. If the program you're getting a temperature reading from only gives you the current temp and not min/max give Core Temp or HWMonitor a try. HWMonitor may be too informative as it gives you temp readings for each individual core(it's hard to know what to really pay attention to or if the program is actually giving you accurate readings), Core Temp will give you 1 temp and a min/max so long as the program is running in the background(so if you're gaming for hours and the room even starts to heat up you can get a pretty accurate image of where you're topping out). A lot of people swear by Core Temp in my experience, HWMonitor not so much. From what I can find online that processor will start thermally throttling at 90 degrees Celsius, so I think you're pretty safe. Having a case with good airflow, or a decent after market cooler can have a significant impact on temperatures and general hardware longevity as well. "A good build is never complete!" is what I say anyways. I think you're in a good range though.
 
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