AMD FX 6300 max core temp

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ifreestylin

ifreestylin

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Dec 28, 2012
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Checking out AMD Desktop Processor Solutions, they have all there 95w CPU max temp at 70c and 125w at 62C. I have been overclocking my FX 6300 for over a year new and i have seen countless post of the max temp being 62c. Check the link out and let me know what you think. There is no max temp listed for the 6300 but there is for 6100 with is 95W at 70C and the FX 4170 125W at 61C. What do you think? leads me to believe 95w are max at 70c and 125w at 61c. Here's is a comparison between the three processors mentioned.

http://products.amd.com/en-us/DesktopCPUSideBySide.aspx?id=786&id=772&id=811
 
Solution
damric
Yeah "Core Temp" is derived from the TCTL signal (which is a calculation not a measurement in degrees). AMD decided to change "core temp" to "thermal margin" since it makes more sense like that anyway.

You can experiment to see what "Core Temp" is actually the TCTL by running AOD and run a heavy stress program and watch "Thermal Margin" hit zero and see what the "Core Temp" is reading in your other program. When it hits zero thermal margin it's going to throttle down to a lower P state. I experimented this a lot with various CPUs and APUs. The TCTL trip actually works, and it works even with all power saving and safety features disabled in BIOS.

I'm pretty sure TCTL is 70C for 95W and 62C for 125W. That's how it used to be anyway. You...
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damric

damric

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Sep 17, 2010
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The link is correct.

Also, be sure to take a look at TCTL, as that is what it is based on in the engineering specs. You'll notice on the newer piledriver chips that it is blank, as now they use TCTL to calculate "thermal margin" instead of "core temp". I wrote the FAQ below as this causes a lot of confusion with various 3rd party programs failing to interpret the TCTL signal correctly combined with old wives' tales passed around the internet.

 
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ifreestylin

ifreestylin

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So does this means using TCTL temps are now rated at 61C for 95w FX CPU's?
 
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damric

damric

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Sep 17, 2010
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Yeah "Core Temp" is derived from the TCTL signal (which is a calculation not a measurement in degrees). AMD decided to change "core temp" to "thermal margin" since it makes more sense like that anyway.

You can experiment to see what "Core Temp" is actually the TCTL by running AOD and run a heavy stress program and watch "Thermal Margin" hit zero and see what the "Core Temp" is reading in your other program. When it hits zero thermal margin it's going to throttle down to a lower P state. I experimented this a lot with various CPUs and APUs. The TCTL trip actually works, and it works even with all power saving and safety features disabled in BIOS.

I'm pretty sure TCTL is 70C for 95W and 62C for 125W. That's how it used to be anyway. You got to experiment and see when it trips.
 
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Solution
ifreestylin

ifreestylin

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Thanks, when HWmonitor is showing 60C on the core, AOD Thermal Margin is at 10C so i guess that means max temp is 70C?
 
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damric

damric

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That's a good guess :D

 
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ifreestylin

ifreestylin

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Thanks for the help! might be able to push more out of my FX 6300 with the H60. Upgrading my CPU soon anyways so am not worried if something bad happens :)
 
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