Amd fx 8320 running hot

Baker1988 · Feb 9, 2015

Hi i was wondeing if any one could help me, i have always had intel cpu's so not sure if this is normal or not but i have just built my first pc with a amd cpu (normally i use intel) and my fx 8320 seems to be running a bit hot, i dont have it overclocked just standard 3.5Mhz with 4.0Mhz boost, ideling prime core temp and hwmonitor say its is between 35 and 40 degrees c (constantly jumping from 35 to 40 and back again) then i tried prime 95 to check my cpu and within a minute i was at 73 degrees c and it was still climbing (finally stopped test at 79 degrees c).

Is this normal or as my intel cpu's even overclocked was only hitting 60 degrees c under full load?

Here is a screen capture of the temps
https://www.dropbox.com/s/asjtl3f4i2qwd51/Capture.PNG?dl=0

My specs are:
Amd fx 8320 3.5Mhz
Artic cooling alpine 64 pro CPU cooler (with paste it came with)
Gigabyte 990fxa-ud3 rev 4
Kingston hyperx fury 1866Mhz 8GB
Evga 500W 80+ bronze
Windows 8.1

Wisecracker · Feb 9, 2015

Use AMD OverDrive for temps and voltages.

It's in the sticky at the top of this forum

Baker1988 · Feb 9, 2015

Wisecracker :

sorry i was also useing amd one drive i forgot to put the screen shot in the post, Here is the link of the screen shot in my dropbox
https://www.dropbox.com/s/asjtl3f4i2qwd51/Capture.PNG?dl=0

Baker1988 · Feb 9, 2015

Is it suppose to be this hot i mean it is a bit warm in my room and i only have 1 fan at the front of my case for air flow.
Should i get a better cooler? as the one i have was only £7 i was looking at a water cooler this one looks good:
http://www.amazon.co.uk/gp/product/B009VV56TY/ref=ox_sc_act_title_3?ie=UTF8&psc=1&smid=ARWFG41TXG1LU
I could spend around £40 on a cooler to drop my temps.

Wisecracker · Feb 10, 2015

Have you disabled Turbo?
Are you certain you properly seated your cooler?

1.4125v is too high --- you should take manual control of your voltages, dial that voltage back, and watch that thermal margin leap way up into the 'blue'

Baker1988 · Feb 10, 2015

Wisecracker :

yeah im sure my cooler is seated correctly but i have removed the cooler 3 times and put it back on which might of effected the thermal paste so i have just bought some Arctic silver 5 off Amazon which i will apply tomorrow to see if that helps.

yeah i thought the voltage was a bit high also, what sort of voltage should my cpu be at? as it is set to auto now and that is what it chose its self.

Turbo boost is not disables but i have my power setting set so turbo boost don't kick in.

Wisecracker · Feb 11, 2015

Don't reuse thermal paste

Co0mpletely disable Turbo, and any core-boosting function.

1.4125v should be good for 4.3GHz or so.

NightAntilli · Feb 11, 2015

Thermal paste should never be re-used. When re-applying your new paste, make sure you remove all the old thermal paste. Any old residue from the old one will negatively impact performance. Make sure you don't apply too much or too little either.

Baker1988 · Feb 11, 2015

Thanks for the advice lads, i cleaned my cpu and heatsink today and re applied some arctic silver 5 and put it all back on i also got a new cooler master case fan and swiched it for the cheap one that came with the case and put the cheap one at the back to get rid of the hot air inside, i also disabled turbo in bios then booted up my pc and ran prime 95 it has been going for about 30 minutes now and my temp seems to have maxed put at 47 - 48 degrees c which i am very happy with as before within a few minutes i was at 80 degrees c.

I do have one more question if you could help i dropeed my v core voltage down to 1.27 in the bios but wen i open amd overdrive and core temp it shows my voltage (VID) at 1.3875, is this the voltage it is at or is it wrong? Not that i am very bothered right now As im happy with my temps but was just wondering.

NightAntilli · Feb 11, 2015

AMD Overdrive is wrong in that regard

The only reliable things AMD Overdrive gives is the thermal margin and the multiplier setting. The rest is not reliable.

Wisecracker · Feb 12, 2015

Actually, AMD OverDrive is accurately reporting your voltages.

Gigabyte (and many other) motherboards will over-volt CPUs at load. This is preferable to under-volting, or what is commonly called VDroop, at load.

To tweak the over-volt, use the Load Line Calibration (LLC) setting. Some BIOSs have additional 'volt off-set' options.

edit: You may also roll-back the BIOS VCore (as you have done) in -0.0125v steps -- I suspect the variance will remain consistent without LLC tweaking

madmatt30 · Feb 12, 2015

The alpine 64 is only good for old phenoms under 100w!!
Not an 8 core fx - the stock 8320 cooler will do a better job than that.

NightAntilli · Feb 12, 2015

Nah... During the overclocking of my FX-8320, I changed my voltage in BIOS from anywhere between 1.25v to 1.45. During all this, AMD Overdrive still reported 1.37v at all settings despite obvious differences in temperature and stability.

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