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XFX 6950 2gb unlocked - OC and cooling questions.

post #1 of 3
Thread Starter 
Some months back I bought my buddy's unlocked XFX 6950 2gb and it's been a great card ever since. I have overclocked it via AMD VECC to 900/1425MHz without touching voltage and it usually idles around 55c(have to test again to see max, forgot what it was but it was decent). The fan is set to 55% because for some reason I still can't bring myself to trust auto fan. I'm wondering if it would be worth it at all to OC this thing any higher and if I should bother dis-assembling it to at least throw some AC MX-5 compound on there to maybe drop a few Cs off my min/max temps.

Is 900/1425 about the max OC I can get without touching my voltage?

What numbers would I be looking at for the best balance between clocks and voltage on stock cooler? I'm basically wanting to aim for the most optimal settings before gains start dropping off without cooking this thing or having to upgrade the cooler.

Would it be worth upgrading the stock thermal compound to some MX-5 or is the stock stuff decent enough?

What would be the best ways to stress test this thing to confirm stability? I own Crysis, Crysis 2, Metro 2033, and can get 3dmark...are those still the standard ways to stress test?

Thanks. thumb.gif
 
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AMD FX-8350 Black Edition @ 4.0GHz Asus Crosshair V Formula-Z XFX Black Edition Double D R9-280 3GB Corsair Ballistix Sport DDR3-1600 16GB 
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Samsung 840 EVO 250GB Seagate Barracuda 1TB 7200RPM 6.0GB/s Seagate Barracuda 1TB 7200RPM 6.0GB/s LiteOn CD/DVD-RW 
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Corsair H80i + 2x Corsair SP120 + 4x CM SickleF... Windows 8.1 x64 HP 2310m Acer x223w 
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Razer Black Widow Ultimate 2013 Edition Corsair HX-850 CM Storm Scout 2 Advanced Logitech G502 
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Intel Celeron C1037U N/A Integrated Crucial 2gb DDR3 SODIMM 
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pfSense Box
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CPUMotherboardGraphicsRAM
AMD FX-8350 Black Edition @ 4.0GHz Asus Crosshair V Formula-Z XFX Black Edition Double D R9-280 3GB Corsair Ballistix Sport DDR3-1600 16GB 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 EVO 250GB Seagate Barracuda 1TB 7200RPM 6.0GB/s Seagate Barracuda 1TB 7200RPM 6.0GB/s LiteOn CD/DVD-RW 
CoolingOSMonitorMonitor
Corsair H80i + 2x Corsair SP120 + 4x CM SickleF... Windows 8.1 x64 HP 2310m Acer x223w 
KeyboardPowerCaseMouse
Razer Black Widow Ultimate 2013 Edition Corsair HX-850 CM Storm Scout 2 Advanced Logitech G502 
Mouse PadAudio
Razer Goliathus Speed Standard Logitech G930 
CPUMotherboardGraphicsRAM
Intel Celeron C1037U N/A Integrated Crucial 2gb DDR3 SODIMM 
Hard DriveCoolingOSCase
Western Digital Black 1TB SATA 6GB/s Passive pfSense N/A 
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Integrated 
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post #2 of 3
Thread Starter 
TTT
 
pfSense Box
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CPUMotherboardGraphicsRAM
AMD FX-8350 Black Edition @ 4.0GHz Asus Crosshair V Formula-Z XFX Black Edition Double D R9-280 3GB Corsair Ballistix Sport DDR3-1600 16GB 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 EVO 250GB Seagate Barracuda 1TB 7200RPM 6.0GB/s Seagate Barracuda 1TB 7200RPM 6.0GB/s LiteOn CD/DVD-RW 
CoolingOSMonitorMonitor
Corsair H80i + 2x Corsair SP120 + 4x CM SickleF... Windows 8.1 x64 HP 2310m Acer x223w 
KeyboardPowerCaseMouse
Razer Black Widow Ultimate 2013 Edition Corsair HX-850 CM Storm Scout 2 Advanced Logitech G502 
Mouse PadAudio
Razer Goliathus Speed Standard Logitech G930 
CPUMotherboardGraphicsRAM
Intel Celeron C1037U N/A Integrated Crucial 2gb DDR3 SODIMM 
Hard DriveCoolingOSCase
Western Digital Black 1TB SATA 6GB/s Passive pfSense N/A 
Audio
Integrated 
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pfSense Box
(9 items)
 
 
CPUMotherboardGraphicsRAM
AMD FX-8350 Black Edition @ 4.0GHz Asus Crosshair V Formula-Z XFX Black Edition Double D R9-280 3GB Corsair Ballistix Sport DDR3-1600 16GB 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 EVO 250GB Seagate Barracuda 1TB 7200RPM 6.0GB/s Seagate Barracuda 1TB 7200RPM 6.0GB/s LiteOn CD/DVD-RW 
CoolingOSMonitorMonitor
Corsair H80i + 2x Corsair SP120 + 4x CM SickleF... Windows 8.1 x64 HP 2310m Acer x223w 
KeyboardPowerCaseMouse
Razer Black Widow Ultimate 2013 Edition Corsair HX-850 CM Storm Scout 2 Advanced Logitech G502 
Mouse PadAudio
Razer Goliathus Speed Standard Logitech G930 
CPUMotherboardGraphicsRAM
Intel Celeron C1037U N/A Integrated Crucial 2gb DDR3 SODIMM 
Hard DriveCoolingOSCase
Western Digital Black 1TB SATA 6GB/s Passive pfSense N/A 
Audio
Integrated 
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post #3 of 3
I wouldnt bother changing the TIM if you are getting temps around 55. As far as overclock goes, I'd just keep bumping it up till you were hitting 70's under full load and let it sit there.
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Project Haswell.
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i7-4770k Asus Maximus VI Hero 2x MSI TFIII 6950 2GB G.Skill Trident X 2400Mhz 
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Samsung 840 pro Samsung Spinpoint F3 1TB Raystorm Block RX360 Extreme, RS 240 
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