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Temperature spikes and drops with FX-8320

post #1 of 3
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I am overclocking my FX-8320. All of my hardware is in my sig rig. When stress testing using IBT I have huge temp spikes and huge drops. For instance itll go to 57 degrees, then suddenly drop to 45 for a few seconds then jump to 61. I am unsure of why the temps are doing that. I monitor the voltage and it isn't dropping so I think I can rule out thermal throttling. This began happening after I installed a 2nd video card. I then upgraded my PSU to the Corsair CS750M. Before the video card installation i was able to keep it at 4.7ghz at 1.45v stable. Now I'm only able to get to 4.2 due to the temp spikes. I don't want to burn my chip up. Any ideas of what might be going on?
Central Dogma
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Intel Core i7 4770K Z97X-Gaming 5 Vision Tek AMD Radeon (TM) R9 390 Series Corsair  
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Phanteks Eclipse Series P400 g502 Some cool one with a custom anime picture. 
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Central Dogma
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 4770K Z97X-Gaming 5 Vision Tek AMD Radeon (TM) R9 390 Series Corsair  
Hard DriveHard DriveHard DriveCooling
Samsung EVO 850 Toshiba  Seagate corsair h80I 
OSMonitorKeyboardPower
windows 10 ViewSonic XG2701 Razer Blackwidow 10 keyless CS750M 
CaseMouseMouse Pad
Phanteks Eclipse Series P400 g502 Some cool one with a custom anime picture. 
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post #2 of 3
I just had a CX 750m get loud on me. Caused all kinds of weird system irregularities. Funny as my issues began after adding a 2nd GPU as well.
Night Train
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Night Train
(11 items)
 
   
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Athlon II X2 250 asrock n68 vs3 fx Gigabyte 8400 GS Passive 4GB Generic Microcenter RAM 
Hard DriveOptical DriveOSMonitor
250 Cuda 3.5 Pioneer BD/DVD/RW XBMCUbuntu 12.04 55" LED T.V. 
KeyboardPowerCaseMouse
MS Wireless Athena Power 400w Some HTPC case I cant find the name of  MS Wireless 
Audio
Integrated 
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post #3 of 3
Quote:
When stress testing using IBT I have huge temp spikes and huge drops. For instance itll go to 57 degrees, then suddenly drop to 45 for a few seconds then jump to 61. I am unsure of why the temps are doing that. I monitor the voltage and it isn't dropping so I think I can rule out thermal throttling.
Temps swings while stress testing arent unusual. It usually because the program goes from one routine to the next.
I dont have swings as large as you, but thats because you have a better cooler that can quickly rid the core temp, whereas mine takes a bit longer.

Your not going to burn the cpu up because of a 16C swing in temps.
    
CPUMotherboardGraphicsRAM
FX-6300 @ 4.9ghz M5A99X EVO R2.0 PNY 2gb NVIDIA GeForce GTX 650 PNY DDR3-1600 9-9-9-24 2X4gb 
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Intel 330 SSD Samsung HD103SI Samsung HD204UI X 2 esata externals  Western Digital WD5000AAKX  
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Optiarc DVD RW AD-7280S Cooler Master Hyper 212 plus Windows 8.1.1 pro with media center Funai 32inch LED HDTV 
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CPUMotherboardGraphicsRAM
FX-6300 @ 4.9ghz M5A99X EVO R2.0 PNY 2gb NVIDIA GeForce GTX 650 PNY DDR3-1600 9-9-9-24 2X4gb 
Hard DriveHard DriveHard DriveHard Drive
Intel 330 SSD Samsung HD103SI Samsung HD204UI X 2 esata externals  Western Digital WD5000AAKX  
Optical DriveCoolingOSMonitor
Optiarc DVD RW AD-7280S Cooler Master Hyper 212 plus Windows 8.1.1 pro with media center Funai 32inch LED HDTV 
KeyboardPowerCaseMouse
Microsoft Comfort Curve 2000 Corsair CX600 Custom twin full tower, 12 - 5 1/4 bays total Logitech M510 
Mouse PadAudioAudio
Combo Mouse Pad, Calculator, USB ports USB stereo speakers Custom 5.1 digital sound system 
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