AMD high temperatures - more likely to kill the chip or just throttle?

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Brian Carrigg

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Jan 13, 2014
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If I understand the sticky regarding AMD temperature margins correctly, the CPU will throttle itself when that margin runs out, rather than just exceeding it and burning out, correct? If that is how it behaves, it would make me feel much safer about pushing my FX-8350 closer to that margin as long as my voltages are in check. but if going 0.1ºC over that threshold is going to land me with a 942 pin paperweight, I will stay comfortably below it for the time being.
 
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lfkfkfkffs
You are more likely to throttle due to vrm temps then you are with the proccesor temps for amd. The boost will stress out any motherboard with a weak powe phase so at min a 6+2 is needed to insure this doesn`t happen
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lfkfkfkffs

lfkfkfkffs

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You are more likely to throttle due to vrm temps then you are with the proccesor temps for amd. The boost will stress out any motherboard with a weak powe phase so at min a 6+2 is needed to insure this doesn`t happen
 
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Karadjgne

Karadjgne

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At -0.1 C ice will remain ice. At 0.1 C that same ice will be a puddle of extremely cold water. The same goes for the silicon in your CPU. Granted it may take a while before degraded performance is noticeable, but pushed beyond the limit the silicon will deteriorate. The higher the temp the faster the deterioration.
 
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Brian Carrigg

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Well I've got a gigabyte ga-970a-ds3p, so it's only 4+1 phase. It's good pretty large heatsinks on the power components though, and I have good airflow through a large case. What reason is there for not going over 4.2? Is it a voltage fluctuation issue that makes it difficult to run stable, or is it going to overheat the voltage regulators by pushing higher settings?
 
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lfkfkfkffs

lfkfkfkffs

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The ds3p is the junk version of the gigabyte board, the ud3p board is the one with the good power phase of 8+2. Run prime95 and a gpu stress test and look at your vrm temperature. A 4+1 power phase normally will cause the processor to throttle even at something as low as 63c
 
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Brian Carrigg

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Jan 13, 2014
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Is there a specific utility you know of to read the VRM temps? The only three readings I get in Speed fan are core temp, socket temp, and case temperature. At least that's what I think they are. Unless the second one is actually VRM temperature instead?

To clarify, is it higher clocks or higher voltage that stresses the VRM? For example, If I can change from 4.4 to 4.6 without changing the voltage, does that put extra stress on the regulators?

Also, this is not my long term motherboard. I had an am2+ cpu before, so I went a little cheaper on the mobo and ram for now since I needed to upgrade cpu, board and ram all at the same time. From here I can upgrade single components, so I will eventually want a 990 series board and extra ram, so I can live with whatever limitations this one may have. I just want to make sure I'm not getting less than its capable of.
 
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SpectreUnleashed

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Throttling will occur. Actually throttling is a self-defense mechanism of PC to prevent damages of overheating. Firstly, in case of an overheat situation, CPU will throttle and go back to an optimum level of heat. If you insist to use that CPU in the same way, it will keep throttling for some time. Then, it will fail to handle the situation and start heating more and will get close to critical range. When this range is passed, your PC will give a BSOD (Blue Screen) and shut down. This is also a self-defense mechanism.

Answer is, heat is not likely to kill your CPU in short term (consider long term damages though, heat reduces overall life), but it can cause data losses or if it is a laptop, it may cause you health problems if you put it on your lap.
 
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