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What's going on with my 7870K?? Are they all like this?

post #1 of 10
Thread Starter 
So, I got my 7870K a while back. I love it for what it can do, but I feel that mine runs quite hot. I've tried a dual fan Gammaxx 400 (dual EK F4 vardars) with similar in windows results. I'm currently using a Phanteks low profile cooler with a Vardar and I'm getting similar results also...????

So, this brings me to my screens shots. Keep in mind my motherboard has optimized defaults loaded, so absolutely no overclock. Rig hardware = http://valid.x86.fr/695q5i

Are these normal? How do I lower them? Do I NEED watercooling???

post #2 of 10
What kind of thermal margin readings do you get using the latest CoreTemp (download the standalone exe, not the installer, simpler that way) ? Those package temps look iffy.
post #3 of 10
Hehe! I just came across the same thing with a friends 7850k. The temperature readings from most of the common monitoring softwares is not correct. You can use AMD's OverDrive though to see the thermal margin left until DOOOOOM. Here is a direct download link from AMD's website: http://download.amd.com/Desktop/aod_setup_4.3.2.0703.exe
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post #4 of 10
Thread Starter 


What does this value mean then? What's the top of the margin?
Quote:
Originally Posted by drmrlordx View Post

What kind of thermal margin readings do you get using the latest CoreTemp (download the standalone exe, not the installer, simpler that way) ? Those package temps look iffy.

ikr?
Quote:
Originally Posted by f1LL View Post

Hehe! I just came across the same thing with a friends 7850k. The temperature readings from most of the common monitoring softwares is not correct. You can use AMD's OverDrive though to see the thermal margin left until DOOOOOM. Here is a direct download link from AMD's website: http://download.amd.com/Desktop/aod_setup_4.3.2.0703.exe

I had it already, look at the bottom pinned items wink.gif
post #5 of 10
Quote:
Originally Posted by Duality92 View Post



What does this value mean then? What's the top of the margin?
ikr?
I had it already, look at the bottom pinned items wink.gif

Ah ok, sorry it's late here tongue.gif

Not sure if that is what you're asking but the thermal margin shows how much more degrees you have left to play with (until Tj.max). So the top of the margin would be 0°C. It'll probably show negative values too, if you exceed Tj.max.
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Noctua NH-D15 Windows 10 Pro Arch Linux LG W2442PA 
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by f1LL View Post

Ah ok, sorry it's late here tongue.gif

Not sure if that is what you're asking but the thermal margin shows how much more degrees you have left to play with (until Tj.max). So the top of the margin would be 0°C. It'll probably show negative values too, if you exceed Tj.max.

I get that, but as an actual value in celcius, what is the 0?
post #7 of 10
The package temperature reported by HWInfo is wrong. 37.4 is the tCTL (out of 70, ie. TM = 32.6) value and 51°C is the SBI-TSI value. Everything well within spec.
post #8 of 10
Quote:
Originally Posted by Duality92 View Post

I get that, but as an actual value in celcius, what is the 0?
I'm not exactly sure but I'd guess it is close to the maximum operating temperature of 72.4°C that cpu-world.com has listed: http://www.cpu-world.com/CPUs/Bulldozer/AMD-A10-Series%20A10-7870K.html



EDIT: So CoreTemp 1.1 is actually showing the temperature to pay attention to to not exceed 70°C (or 72.4°C)?
Edited by f1LL - 7/13/16 at 5:18pm
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Crucial MX200 Samsung 850 Evo a few HDD's LG BluRay BH16NS40 
CoolingOSOSMonitor
Noctua NH-D15 Windows 10 Pro Arch Linux LG W2442PA 
MonitorKeyboardPowerCase
Viewsonic XG2401 Cherry MX-Board 3.0 Corsair RM850i Fractal Define R5 
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post #9 of 10
Thread Starter 
Quote:
Originally Posted by The Stilt View Post

The package temperature reported by HWInfo is wrong. 37.4 is the tCTL (out of 70, ie. TM = 32.6) value and 51°C is the SBI-TSI value. Everything well within spec.

What are the tCTL and SBI-TSI? In short term and technically speaking?
post #10 of 10
Quote:
Originally Posted by Duality92 View Post

What are the tCTL and SB-TSI? In short term and technically speaking?

tCTL = Control Temperature. It is used only by the internal logic of the processor (power management) and it is not a physical value. The maximum tCTL value is 70 for all AMD desktop products. < 70 = within spec, >= 70 = outside the spec (thermal control activates, i.e throttling).

SB-TSI = Sideband Thermal Sensor Interface is a physical temperature (simulated) which represents the temperature measurable from the center of the heatspreader. The maximum SB-TSI temperature for a A10-7870K is 72.4°C.

If both of these values are below their maximum, then the CPU temperature is within the spec. If not, then thermal control will be active until the temperature drops below the limit. Thermal control operates only based on the tCTL value.

Also the "thermal margin" value displayed by AOD is simply: tCTLMax - tCTL. tCTLMax being 70 and tCTL being the current tCTL value.
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