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HD 7850 idle temperature suddenly higher than usual?

post #1 of 9
Thread Starter 
Hello everyone, I need help with my HD 7850. Its idle temperature used to sit and comfortable 32-33 °C. It's overclocked at 1050 MHz core and 5000 MHz memory and it's been like this for months.

Yesterday I noticed it sits at 39-40 °C at idle and refuses to go below that. Case cooling is adequate as usual, nothing changed there.

Things that did change, however, are AMD drivers and MSI Afterburner version. I updated AMD drivers last weekend and I updated MSI Afterburner yesterday.

When using overclocked settings, I noticed core and memory clocks are slightly higher than they used to be during idle and voltage doesn't go back down to typical 0.850 - 0.900 V but remains at 1.075 V as if it's under load even though it's only 0-1% load.

When using stock settings, voltage does go back down to 0.900 V when idle, core goes to 300 MHz and memory goes to 4800 MHz, but temperature is still in 39-40 °C range.

Any ideas why this is happening? I know 39-40 °C is still not much at all, but I don't feel comfortable with such a sudden change of almost 10 °C for no apparent reason. And it's even winter, so ambient temperature doesn't exceed 24-25 °C. What will be when summer comes and ambient goes as high as 35 °C?

Thanks for help.
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post #2 of 9
my 7950 did the same thing after i updated to 12.11 beta 7 , i rolled back to 12.11 beta 4 and everything is back to normal ,hope this helps
post #3 of 9
Quote:
Originally Posted by andi1971 View Post

my 7950 did the same thing after i updated to 12.11 beta 7 , i rolled back to 12.11 beta 4 and everything is back to normal ,hope this helps

Ah yes, that's a probable issue. I've noticed slightly higher temperatures too on beta 6 I think. When will the 12.11's actually be released? wink.gif

You might want to check idle clocks, my 68xx's liked to bug and run their 2d load clocks so they'd idle at 40-45c instead of 30-35c.
Not saying it's that but just a think to check when it comes to cards idling warmer then normal. It's also rather bad as the vRAM ran at the full 1100MHz.

The only fix I ever found was to restart the PC though if you/anyone gets this problem which sucks. It generally happened after watching Youtube/Movies/TV shows with VLC media player.
 
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post #4 of 9
Thread Starter 
Well, I can try to downgrade drivers, but why would they cause that? Why are drivers even released out of beta if things like that happen? 12.10 is supposed to be stable.

Restart doesn't help and temperature is 40 °C as soon as Windows loads. I think idle voltage is slightly bumped, I really can't remember how much it used to be, I think about 0.800 V, but now it's 0.900 V idle. It's really confusing.

I guess I'll try to upgrade to 12.11 beta and if that doesn't help, I'll go back to 12.8 and see what happens.

Thanks for help and I'll report back with results.
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Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
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post #5 of 9
Thread Starter 
Well, it looks like AMD drivers screwed up after all.

I updated to 12.11 beta 7 and now my idle temperature is 32 °C with 0.825 V voltage, using either stock settings or overclocked settings.

Idle core clock is at 300 MHz and idle memory clock is at 600 MHz, just like before I started having idle temperature problems. And yes, IDLE memory clock was 4800 MHz (!!!) with 12.10 drivers.
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Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
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Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
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post #6 of 9
I am curious about this myself, having just recently become a proud 7850 owner.

I am wondering if it is the temperatures themselves that changed, or if ATI's drivers have screwed up the measurements of the temperatures from the card (aka the drivers for whatever reason are outputting a temp X higher than the reality to CCC, MSI Afterburner, etc).
    
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post #7 of 9
Thread Starter 
I think it's the actual temperature because idle voltage increased from 0.825 to 0.900 V.

Does 0.075 V increase warrant almost 10 °C increase, though?
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Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
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My gaming rig
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Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
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post #8 of 9
Quote:
Originally Posted by kazzjohnson View Post

I think it's the actual temperature because idle voltage increased from 0.825 to 0.900 V.
Does 0.075 V increase warrant almost 10 °C increase, though?

If the clocks are running higher.. Yes, especially if the fan isn't ramped up (and made silent) at that these speed/voltages.
 
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Convertible i5 3570k (De-Lidded) Gigabyte Z77x-D3H XFX R9 290 With Koolance Block (1179/1450) 16GB G-Skill Ares 1866 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo Seagate Barracuda 2TB Western Digital Green 2TB Samsung Spinpoint 1TB 
Hard DriveOptical DriveCoolingCooling
Western Digital Green 640GB 2x OEM DVD Drives Heatkiller Rev 3.0 XSPC RX360 
CoolingCoolingCoolingOS
Laing D5 + XSPC Res Primochill Bloodshed Red Tubing Koolance Fullcover R9 290x Block Windows 10 Pro x64 
MonitorMonitorMonitorKeyboard
Asus VEH228H Asus VE228H Aavara TS742 Dual Monitor Stand Ducky Shine II Cherry Blue RED Backlit Mechanic... 
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post #9 of 9
Thread Starter 
I have custom fan profile. Between 30 °C and 60 °C it's 1% per 1 °C and between 60 °C and 80 °C it's 2% per 1 °C.

In other words, 30% at 30 °C, 60% at 60 °C, 80% at 70 °C and 100% at 80 °C.
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
  hide details  
Reply
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
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