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63 degrees while gaming too hot for AMD FX 8350? - Page 3

post #21 of 27
The Vishera chip's maximum core temp is 61c before throttling... that's from the AMD website. Socket temps shouldn't reach over 70c. Depending which temperature you're reading, 63c could be too hot.
    
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post #22 of 27
Quote:
Originally Posted by ku4eto View Post

Fairly normal i would say. Run IBT for 10-15 minutes on Maximum and check what temps you are reaching. If it start going over 90, stop it. Should average out somewhere around 80-85 during such stress test.

That is way to hot AMD themselfs say 72c is absolute max and recomend 62c as max safe and below on AMD FX 8 cores or any of the AMD FX 125w chips. I don't know where you get the 80c-85c thing and 90c stop but if it goes over 72c stop something is wrong you either got a crap cooler with poor case airflow or you did a bad TIM application or you got a bad chip or something.

I also want to point out on AMD FX CPU's as heat goes up the chips refuse more and more to release the heat to your cooling system and the chip itself's leakage characteristics increase making the chip get even hotter and draw more power essentially once temps get so high the AMD FX's go into thermal runaway like a nuclear reactor going into meltdown.

I can confirm all this directly from STILT himself the world renouned world record AMD FX Overclocker.

some info on stilts OC http://valid.x86.fr/vytt61 yes 8722.78mhz on all 8cores not 2cores like AMD set world record on.

The Stilt
Mar 22, 2015 at 8:37 am

Indeed, if forgot the specify the limits for the "socket temperature" (SBI-TSI).
These are the official AMD specifications.

AM3+ / TDP (Infra Code)

220W (FH) - 57.0°C
125W (FR) - 61.1°C
95W (WM) - 70.5°C

FM2+ / TDP (Infra Code)

95W (XB) - 72.0°C
65W (YB) - 71.2°C

These temperatures only apply at stock power levels.
At higher power dissipation they are naturally lower.

--
Best regards
Roger


(also from the Stilt)

Based on my personal experience on hundreds of different AMD 15h parts; the overclocking capabilities of these chips generally start to show significant retardation when the "socket temperatures" (SBI-TSI) exceed 60°C. At this point the "package temperature" (tCTL control value) can be anything between 45 - 65 units. The tCTL value is calculated based on several values and one of it´s calculation parameters (power scalar) varies between different TDP and leakage level parts. The "package temperature" (tCTL) is not an actual temperature which is a reason I refer it as units instead of degrees.

The official specifications from AMD tend to agree with my experiences.
125W TDP FX parts are rated for 62°C (SBI-TSI) maximum temperature at stock settings.
The maximum "package temperature" (tCTL) is 70 units on all AMD FX CPUs (AMD specification)

In higher temperatures the leakage currents will increase even further and the thermal conductivity will reduce as well.
Lower thermal conductivity will make it yet harder to remove the heat from the CPU core.

151.1W/m-K @ 20°C
142.7W/m-K @ 40°C
134.3W/m-K @ 60°C
125.9W/m-K @ 80°C

SBI-TSI temperature is available on all motherboards as implementing it is mandatory.
This is also the temperature which the bios displays.

Generally there are two major manufacturers (ITE & Nuvoton) for the LPC/IO ICs which are used to read the SBI-TSI information from the CPU.
They are very well supported by most of the hardware monitoring applications atleast for the temperature part.

--
Best regards
End Quote



I want to point out I run AMD FX 9590 at full manual OC'd 5ghz x8 with eco features still on and top out at 52c with IBT AVX not the normal IBT because AVX is much more intense and will raise temps alot more than regular IBT here is my proof of such claims and I do this on custom liquid cooling http://www.overclock.net/t/1519033/5-ghz-24-7-oc-club/60#post_23194695
Edited by rickcooperjr - 9/29/15 at 3:09pm
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post #23 of 27
Thread Starter 
I spreaded the thermal paste for one as I followed the instructions rather than my own preference; I believe I had air bubbles in the paste. I reapplied and my temps dropped by ten degrees. I then found out that some how my clock speeds had gone into manual overclocks and clocked the processor at 4.3ghz in my bios utility. I decreased the CPU ratio to 18.5 (4ghz) and managed to under volt the CPU to 1.26 volts stable. I'm maxing 53 degrees at the most demanding parts of games. I have a Coolermaster hyper 212 Evo but I read the spec and it's only good for 125 watt so I'm hitting the maximum of the cooler anyway. I have seven fans in my case all Coolermaster Jetflo's that can move some silly CFM. When I get a dual radiator on that FX chip I should be able to keep an overclock nice and cool.
post #24 of 27
Quote:
Originally Posted by A1d3n View Post

I spreaded the thermal paste for one as I followed the instructions rather than my own preference; I believe I had air bubbles in the paste. I reapplied and my temps dropped by ten degrees. I then found out that some how my clock speeds had gone into manual overclocks and clocked the processor at 4.3ghz in my bios utility. I decreased the CPU ratio to 18.5 (4ghz) and managed to under volt the CPU to 1.26 volts stable. I'm maxing 53 degrees at the most demanding parts of games. I have a Coolermaster hyper 212 Evo but I read the spec and it's only good for 125 watt so I'm hitting the maximum of the cooler anyway. I have seven fans in my case all Coolermaster Jetflo's that can move some silly CFM. When I get a dual radiator on that FX chip I should be able to keep an overclock nice and cool.

I advise use the pea method put a drop almost 3/4 of the size of a pea dead center of chip then apply the heatsink and let the heatsink clamp down pressure spread it this way there is a even coating and there are no air bubbles do not twist or anything. I have taken 8350's to 4.4ghz well within safe specs around 58c max or so on OEM heatsink with aftermarket thermal paste which is much worse than your hyper 212 EVO also what thermal paste you using I use arctic cooling MX-4 one of best universal thermal pastes can get can use it for everything air / liquid / phase and much more it is in the top 5 of thermal pastes and is cheap and is non conductive along with is carbon based not silicon based in short it has no burn in time and never dries out you apply it and forget about it.
Edited by rickcooperjr - 9/30/15 at 8:07am
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post #25 of 27
Thread Starter 
I used the pea method when reapplying I managed to see a 10 degree drop for 63 max to 53. I usually hit 43 degrees in general use and top out at 53 in games. I under volted the CPU to 1.26v stable at 4ghz. I baught the Coolermaster thermal paste. I didn't use the one supplied.
post #26 of 27
Quote:
Originally Posted by A1d3n View Post

I used the pea method when reapplying I managed to see a 10 degree drop for 63 max to 53. I usually hit 43 degrees in general use and top out at 53 in games. I under volted the CPU to 1.26v stable at 4ghz. I baught the Coolermaster thermal paste. I didn't use the one supplied.
I cannot recommend arctic cooling mx-4 enough you need to try it seriously it's cheap lasts almost forever super easy to apply and is universal along with non conductive. I want to also say be aware the cooler master thermal paste has shelf life before it goes bad it is also silicon based be aware of this as it can be a serious issue plz tell me this isn't the thermal paste your using if so it is garbage http://www.newegg.com/Product/Product.aspx?Item=N82E16835103027 if that is stuff you have it has a shelf life of 24 months from date of manufacture before it goes bad.

I want to also say watch undervolting AMD FX CPU's from stock they often won't BSOD or crash but instead will corrupt your data AKA corrupt your OS / games data it is a odd thing Intel if they are undervolted and unstable they BSOD / lockup / crash while AMD FX's don't they just slowly or fastly corrupt your data.

I know from experience about AMD FX's and unstable OC's not crashing but corrupting data undervolting can bring same situation on is all I can say so be very carefull.

I am running the big brother to your 8350 and at 5ghz x8 24/7 100% stable with all eco features still on max temp of 52c even under IBT AVX on custom liquid cooling a AMD FX 9590 is essentially a factory OC'd FX 8350 and my chip dumps like 2-4 times more heat than yours if not more I am using arctic cooling mx-4 I will order some more cool laboratories liquid metal ultra later on. I am running a lapped chip and lapped XSPC raystorm CPU waterblock I lapped them both with a flat / smooth piece of plate glass and worked way upto 2000grit wet sand paper I finished with jewelers polish (it's gritty not a wax or oil) I did all of it by hand both are mirror finish I could shave with them as a mirror.
Edited by rickcooperjr - 9/30/15 at 9:58am
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M.2 Toshiba OCZ RD400 512gb ASUS DVD rw  liquid cooled cpu and gpu's windows 10 pro 64bit 
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post #27 of 27
Thread Starter 
I am only keeping this cooler and paste as a get by till I water cool. I am at uni so I can only spare around £200 a month. I am going to use a ray storm water block with a dual rad.
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