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FX-8350: Unusually high temps?

post #1 of 8
Thread Starter 
Hi guys


I'm currently overclocking my new FX-8350... problem is, my temps seem quite high. At currently 4.6 GHz and 1.392V tops, HWMonitor read a max temperature of 57 degrees C. And this with a custom watercooling loop! Even air coolers seem to perform better. The block I am using is an Alphacool NeXxXos X² and the water comes directly from the pump. My setup is res-pump-CPU-240mm rad-GPU-240 mm rad-res. What I'm guessing is that I misapplied the TIM, but I'm fairly sure the block is clamped down pretty tight.
Ideas?
post #2 of 8
are you getting these temps while benchmarking or stress testing? that does seem a little high, I may hit that at 1.504v tops I believe but barely.

I would check make sure you dont have anything restricting your water flow like a kink or too sharp of a turn then try changing your TIM it is always worth a shot.

I have had a bad application a couple times and re doing it has made a big difference.
Das Boot
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CPUMotherboardGraphicsRAM
AMD FX-8350 Gigabyte GA-970A-UD3 Gigabyte HD 6850 Mushkin Ram 
Hard DriveCoolingCoolingCooling
Western Digital Caviar Black 500GB & 1TB Antec 620 CPU Cooler 5 x COUGAR CF-V12HP Vortex Hydro-Dynamic-Bearin... 2 x Artic Cooling F-12 PWM 120mm 
CoolingCoolingCoolingCooling
Bitfenix recon fan controller XSPC 750 res/pump rev4 Alphacool ST30 240mm Radiator XSPC 240mm Radiator 
CoolingOSMonitorMonitor
2x XSPC 120mm Fans Windows 7 Professional  Dell 24" LED Dell 24" LED 
KeyboardPowerCaseMouse
Lame Basic One ThermalTake Toughpower 750W Gold Cooler Master 620 II Advanced Logitech G700 
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Das Boot
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CPUMotherboardGraphicsRAM
AMD FX-8350 Gigabyte GA-970A-UD3 Gigabyte HD 6850 Mushkin Ram 
Hard DriveCoolingCoolingCooling
Western Digital Caviar Black 500GB & 1TB Antec 620 CPU Cooler 5 x COUGAR CF-V12HP Vortex Hydro-Dynamic-Bearin... 2 x Artic Cooling F-12 PWM 120mm 
CoolingCoolingCoolingCooling
Bitfenix recon fan controller XSPC 750 res/pump rev4 Alphacool ST30 240mm Radiator XSPC 240mm Radiator 
CoolingOSMonitorMonitor
2x XSPC 120mm Fans Windows 7 Professional  Dell 24" LED Dell 24" LED 
KeyboardPowerCaseMouse
Lame Basic One ThermalTake Toughpower 750W Gold Cooler Master 620 II Advanced Logitech G700 
Mouse PadAudioAudioOther
X Trac Pad PRO Samsung 5.1 1000W Home Theater Bose over the ear Headphones 5 LED light strip 
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post #3 of 8
Thread Starter 


Do you reckon anything here seems like "too sharp of a turn"?
post #4 of 8
The only one that looks kind of sharp is the one from the radiator to your res/pump. I dont know if its just the picture but it looks like the tubing is flatter from a tight turn but could just be the picture
Das Boot
(24 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Gigabyte GA-970A-UD3 Gigabyte HD 6850 Mushkin Ram 
Hard DriveCoolingCoolingCooling
Western Digital Caviar Black 500GB & 1TB Antec 620 CPU Cooler 5 x COUGAR CF-V12HP Vortex Hydro-Dynamic-Bearin... 2 x Artic Cooling F-12 PWM 120mm 
CoolingCoolingCoolingCooling
Bitfenix recon fan controller XSPC 750 res/pump rev4 Alphacool ST30 240mm Radiator XSPC 240mm Radiator 
CoolingOSMonitorMonitor
2x XSPC 120mm Fans Windows 7 Professional  Dell 24" LED Dell 24" LED 
KeyboardPowerCaseMouse
Lame Basic One ThermalTake Toughpower 750W Gold Cooler Master 620 II Advanced Logitech G700 
Mouse PadAudioAudioOther
X Trac Pad PRO Samsung 5.1 1000W Home Theater Bose over the ear Headphones 5 LED light strip 
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Das Boot
(24 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Gigabyte GA-970A-UD3 Gigabyte HD 6850 Mushkin Ram 
Hard DriveCoolingCoolingCooling
Western Digital Caviar Black 500GB & 1TB Antec 620 CPU Cooler 5 x COUGAR CF-V12HP Vortex Hydro-Dynamic-Bearin... 2 x Artic Cooling F-12 PWM 120mm 
CoolingCoolingCoolingCooling
Bitfenix recon fan controller XSPC 750 res/pump rev4 Alphacool ST30 240mm Radiator XSPC 240mm Radiator 
CoolingOSMonitorMonitor
2x XSPC 120mm Fans Windows 7 Professional  Dell 24" LED Dell 24" LED 
KeyboardPowerCaseMouse
Lame Basic One ThermalTake Toughpower 750W Gold Cooler Master 620 II Advanced Logitech G700 
Mouse PadAudioAudioOther
X Trac Pad PRO Samsung 5.1 1000W Home Theater Bose over the ear Headphones 5 LED light strip 
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post #5 of 8
Thread Starter 
Figure this... after the 2nd to 3rd TMI reapplication, I figured thaaat... I've been reading the WRONG temperature all the time! I was actually looking at socket temp instead of core... oh my God, I feel so stupid right now biggrin.gif
post #6 of 8
lol it happens, atleast you figured it out though!
Das Boot
(24 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Gigabyte GA-970A-UD3 Gigabyte HD 6850 Mushkin Ram 
Hard DriveCoolingCoolingCooling
Western Digital Caviar Black 500GB & 1TB Antec 620 CPU Cooler 5 x COUGAR CF-V12HP Vortex Hydro-Dynamic-Bearin... 2 x Artic Cooling F-12 PWM 120mm 
CoolingCoolingCoolingCooling
Bitfenix recon fan controller XSPC 750 res/pump rev4 Alphacool ST30 240mm Radiator XSPC 240mm Radiator 
CoolingOSMonitorMonitor
2x XSPC 120mm Fans Windows 7 Professional  Dell 24" LED Dell 24" LED 
KeyboardPowerCaseMouse
Lame Basic One ThermalTake Toughpower 750W Gold Cooler Master 620 II Advanced Logitech G700 
Mouse PadAudioAudioOther
X Trac Pad PRO Samsung 5.1 1000W Home Theater Bose over the ear Headphones 5 LED light strip 
  hide details  
Reply
Das Boot
(24 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Gigabyte GA-970A-UD3 Gigabyte HD 6850 Mushkin Ram 
Hard DriveCoolingCoolingCooling
Western Digital Caviar Black 500GB & 1TB Antec 620 CPU Cooler 5 x COUGAR CF-V12HP Vortex Hydro-Dynamic-Bearin... 2 x Artic Cooling F-12 PWM 120mm 
CoolingCoolingCoolingCooling
Bitfenix recon fan controller XSPC 750 res/pump rev4 Alphacool ST30 240mm Radiator XSPC 240mm Radiator 
CoolingOSMonitorMonitor
2x XSPC 120mm Fans Windows 7 Professional  Dell 24" LED Dell 24" LED 
KeyboardPowerCaseMouse
Lame Basic One ThermalTake Toughpower 750W Gold Cooler Master 620 II Advanced Logitech G700 
Mouse PadAudioAudioOther
X Trac Pad PRO Samsung 5.1 1000W Home Theater Bose over the ear Headphones 5 LED light strip 
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post #7 of 8

The FX-8350 has a known temperature algorithm flaw that reports low inaccurate temps at idle. Accuracy improves as the chip heats up yet is still dangerously under reporting. Right now on my sig-rig, HW monitor reports CPU temp (as measured by my mobo's sensors) @ 31c, but the FX-8350 is also reporting @ 11c in HW monitor (48f - my room is 72f)  - a 20c difference between the two!!

 

Under load, the difference drops to about 11c. So which one do I believe? - Considering that the FX-8350 temp flaw is a known issue, and since it's better to err on the side of caution, I'm picking the higher CPU(socket) temp to go by.

 

I have an H60 AOI liquid cooler and even under the most demanding circumstances, I've never seen the CPU(socket) temp go over 53c. I'm also OC'd to 4.6+/-GHZ too on just clock multipliers alone, no voltage adjustments.

 

Be careful and do not trust what the CPU itself is reporting to HW monitor.

 

Can you adjust the flow rate of your pumps?

 

-Best of Luck,

White Trash
(17 items)
 
  
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AMD FX-8350 Crosshair V Formula Z EVGA GTX 760 SC 2gb EVGA GTX 760 SC 2gb 
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Corsair H60 Liquid Cooling System 3 - 120mm Case fans 3 - 140mm Case Fans Win 7/64 Home Edition 
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Asus VG248QE 24" 144htz Gaming monitor Raidmax RX-1000AE 80+ Gold Certified Modular PSU NZXT Source 210 ATX Midtower white/black trim Sony 7.1 Home Theather system 
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White Trash
(17 items)
 
  
CPUMotherboardGraphicsGraphics
AMD FX-8350 Crosshair V Formula Z EVGA GTX 760 SC 2gb EVGA GTX 760 SC 2gb 
RAMHard DriveHard DriveOptical Drive
G.Skill Ripjaws Crucial M4 128gb Sata3/6gbps SSD WD Caviar 500gb 7200rpm Sata2 HDD Asus DVRW  
CoolingCoolingCoolingOS
Corsair H60 Liquid Cooling System 3 - 120mm Case fans 3 - 140mm Case Fans Win 7/64 Home Edition 
MonitorPowerCaseAudio
Asus VG248QE 24" 144htz Gaming monitor Raidmax RX-1000AE 80+ Gold Certified Modular PSU NZXT Source 210 ATX Midtower white/black trim Sony 7.1 Home Theather system 
Other
NZXT Sentry-2 Touchscreen Fan Controller 
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post #8 of 8
Thread Starter 
Fathomable that my watercooled system has less airflow than yours as I have only one unobstructed 120mm intake (and two more behind a radiator). Might possibly exchange that black/white Gelid something for a leftover Silverstone, if its got more CFM. As for the temps, Core Temp and HWMonitor have so far been consistent in their readings, but I'll keep an eye on it. Thanks for the headsup.

I'm quite aware that idle temps aren't to be believed at all (weird, since it read just fine on my Thuban), but anyway, socket on my current OC hovers around 58 tops (up to 70 is fine IIRC) whereas core climbs to 43~44. That's way more in line with my expectations smile.gif

Also, I could adjust the flow rate in theory but I'm happy with just running it at 12V, i.e., full capacity, all the tine.
Edited by crust_cheese - 8/29/13 at 10:44pm
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