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FX 8150 Huge Temp spikes

Cooke

Cooke

Cooke

Associate
Joined
16 Jan 2014
Posts
8
Over the past week my desktop cpu monitoring gadgets have been going warning me of my temps being too high, at first i thought it must just have been a bug with coretemp but now its happening more frequently even from when i first turn my pc on. I havent found anything anywere on the internet about anyone having this problem so before i go taking my heat sink off has anyone came across this before? is it just coretemp being wierd?

Specs:
NZXT Phantom 820 (White)
Asus M5A99X Evo R2.0 Motherboard
AMD FX8150 ([email protected] )
Saphire HD7950 3GB Vapor-X (OC)
16GB Corsair Vengeance 1600Mhz Ram
Corsair H80
240GB OCZ Agility 3 SSD
2TB WD Caviar Green
NZXT Hale Power 90+ 1000W '80 Plus Gold' PSU

This is an example from yesterday
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This is this morning as soon as i turned my pc on
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Does it happen at stock? I'd just put it down to Coretemp if so... it only seems to be happening on the first core which would suggest software related (or possibly a dodgy sensor but I don't think AMD FX have sensors on each core?).
 
Nah you are right mmj, AMD don't have sensor on each core (usually they all report samp temp), must be a software error or you would be seeing throttling.
 
Try stock speeds first to rule out some form of throttling, I know on some cheaper brands of AMD motherboards manufacturers added a 'feature' whereby if too much power is pulled by the CPU the temperature spikes to 255C or so, it does this to purposely trigger the throttling mechanism and protect the motherboard VRM's. Asus are generally great in the power delivery department but FX8150 at 4ghz is probably like a 4.6ghz FX8350 in terms of its power demands.
 
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I reset my cpu to stock in my bios and now it seems to be running fine, i watched a 5 minute youtube video, rand FL studio,played a quick game of crysis 3 and ran prime 95 for around 15 minutes and didnt get 1 spike in my temps. I had my cpu clocked to 3.9 in the past and didnt have any problems like this, could this just be a case of my overclock being too high for my cpu wich was causing throttling like mmj said? thanks for the quick reples :)

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Try temporarily sticking a fan over the motherboard VRM's, with you having an AIO watercooler the VRM's won't be getting any cooling hardly. It could just be a coretep bug/glitch if it's doing it at idle though.
 
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it is doing it at idle and at first it whas fine whilst running games but over the last few days ive been getting more and more frequent freezing/crashing/bsod :( i can try the fan with a really old one but is there anything that monitors the temps so i can compare before and after?
 
as said, the core readings are inaccurate.

i don't know about coretemp, but in hwmonitor, this is the reading you need to be paying attention to:
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its the socket temp, the cores will be slightly hotter than this, but its a lot more accurate than the cores reading.
 
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