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 Posted: Wed, 7th Nov 2012 20:46 Post subject: Fx-8350 and temperatures |
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So I got my Fx-8350 today and set it up.
All is fine and all but I just can't believe the temperatures I'm getting.
I've now checked with three different proggies (Core Temp, HWMonitor and Overdrive) and all three of them report that my temp during idle are between 18-24 celcius and go up to 46-47 under load.
I've disabled all forms of "green" powersaving crap and even OC'd it to 4,5Ghz.
These temperatures can't be right, can they? o.O
The reason I can't believe these temps is because I just had a 970BE @ 4Ghz and it was idling around 36 and went up to 50 on load... o.O
It's the same setup as before, the only thing that changed was the CPU.
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| Posted: Wed, 7th Nov 2012 21:04 Post subject: |
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Wow. 2500k is 37 idle desktop on stock cooler and ghz.
Thr temps You are describing are too good
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Sin317
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DXWarlock
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| Posted: Wed, 7th Nov 2012 21:24 Post subject: |
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Whats your room temperature? if its above 15-16c (being generous..see below) then its got to be off..you cannot air cool something lower than the ambient temperature of the air used to cool it.
You need to add in case temp, which in most cases is 1-2 degrees above room temp, THEN heatsink..which will usually be 1-2 above case temp...so given ideal conditions..
Say heatsink temp is 18c, that means your case would be 16-17c, and room is 1 or 2 cooler than that..so 15-16c room temp would be needed to get 18c on die temp.
-We don't control what happens to us in life, but we control how we respond to what happens in life.
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Last edited by DXWarlock on Wed, 7th Nov 2012 21:25; edited 1 time in total
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| Posted: Wed, 7th Nov 2012 21:25 Post subject: |
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Ohh, I forgot to mention that I have an aftermarket cooler. An old Zalman which is almost like the CNPS9900.
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| Posted: Wed, 7th Nov 2012 21:26 Post subject: |
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| DXWarlock wrote: | Whats your room temperature? if its above 15-16c (being generous..see below) then its got to be off..you cannot air cool something lower than the ambient temperature of the air used to cool it.
You need to add in case temp, which in most cases is 1-2 degrees above room temp, THEN heatsink..which will usually be 1-2 above case temp...so given ideal conditions..
Say heatsink temp is 18c, that means your case would be 16-17c, and room is 1 or 2 cooler than that..so 15-16c. |
Yeah, that was my thought as well.
That's why I'm worried that I got a bum chip. 
Well, everything's working well except that I'm getting the wrong temps.
Hmmm, however if I check in BIOS it seems to give me the correct values (around 28-31 celcius).
So what's going on? o.O |
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DXWarlock
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| Posted: Wed, 7th Nov 2012 21:38 Post subject: |
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Cant remember what AMD uses to do temps lately.
Like intel has tjmax..which it doesnt read the actual temp, it measures the 'delta to max' and subtracts it..
So like if its tj max is 100, and it returns 40..it means your chip is running 60c.
It basiclly returns how many degrees are left before it starts throttling.
if I edited the tjmax to something stupid like 1000 in my temp software...it would tell me Im running at 960c. or reversed, if I set it to 40...it would be telling me Im running at 0c
maybe in your temp program you need to set whatever AMD has for its 'reported' number to work off of?
-We don't control what happens to us in life, but we control how we respond to what happens in life.
-Hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times. -G. Michael Hopf
Disclaimer: Post made by me are of my own creation. A delusional mind relayed in text form.
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| Posted: Wed, 7th Nov 2012 21:40 Post subject: |
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| DXWarlock wrote: | Cant remember what AMD uses to do temps lately.
Like intel has tjmax..which it doesnt read the actual temp, it measures the 'delta to max' and subtracts it..
So like if its tj max is 100, and it returns 40..it means your chip is running 60c.
if I edited the tjmax to something stupid like 1000 in my temp software...it would tell me Im running at 960c. or reversed, if I set it to 40...it would be telling me Im running at 0c
maybe in your temp program you need to set whatever AMD has for its 'reported' number to work off of? |
I thought of that also but I'm using AMD's Overdrive (however it says it's a beta so that might be poo as well).
Edit:
Just checked, it seems that it's a whole 10 celcius off from when in BIOS.
Any chance that old "info" about the CPU might still be on the computer, because I didn't reinstall Win8 due to I didn't see a need for it.
Edit 2:
Nevermind, looks like for some reason I'm getting reports per core (which are completely wrong). In HWmonitor I get the whole CPU temp (which is around 33 celsius) and seems to correspond to what I'm getting in BIOS.
Last edited by Mr.Tinkles on Wed, 7th Nov 2012 21:51; edited 1 time in total |
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DXWarlock
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| Posted: Wed, 7th Nov 2012 21:51 Post subject: |
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it shouldnt be, shouldnt make a difference.
There should be somewhere in the software to adjust the temp shown. They are off sometimes, why it has that option.
On my old 9450 I had I had to adjust coretemp up 8 degrees to get it right. after I set it, it was right from then on.
I mean not that big a deal if its wrong, long as you have a way to correct its reading so you know what it really is.
-We don't control what happens to us in life, but we control how we respond to what happens in life.
-Hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times. -G. Michael Hopf
Disclaimer: Post made by me are of my own creation. A delusional mind relayed in text form.
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| Posted: Thu, 8th Nov 2012 08:35 Post subject: |
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Allrighty, after scouering the internets some more I've found that I'm not the only one getting these strange readings.
Some are saying that I should look at core tempretures only under load while others say I should focus on CPU temp and then again some other say that I should look at both.
So, another god damn fail from AMD. -.-
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Werelds
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Frant
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| Posted: Thu, 8th Nov 2012 17:56 Post subject: |
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RealTemp can test your CPU's internal sensors to see if they're stuck or otherwise. However, I can't remember if that's just for Intel CPU's.
Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn!
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| Posted: Thu, 8th Nov 2012 18:15 Post subject: |
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Well, whatever is going on it kind of sucks balls not being sure if I'm going too high or not when OC'ing. So I guess I'll just have to wait til I can get somewhat proper readings.
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). For those others, every hardware sensor program out there uses hardcoded tables that have PID matched up with a Tjmax that usually comes from Intel's sheets. The funny bit? Every CPU is different and depending on your chip, it may very well be 2-3 degrees off so that's far from flawless.
) or HDD/SSD (all the SSD vendors went "let's support SMART but ignore everything it stands for an implement our own shit"). Fact is that most of this is not documented to the outside world and a lot of hardware readings are quite simply guesstimates based on some dodgy reverse engineering and probing.
