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Overclocking the Gigabyte HD7950

post #1 of 15
Thread Starter 
OK, I have the Gigabyte GV-R795WF3-3GD. Seems my max OC is 1050/1400. Seem normal?
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post #2 of 15
What is the voltage?
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post #3 of 15
Thread Starter 
Stock, AFAIK. I dunno if these can be modified. I'm not 100% familiar with these newer GPUs. (newer being post 9800GTX+)
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post #4 of 15
Stock voltage varies between a card and another. If you can get those clocks at a lowly voltage (1.13V or lower) then it is definitely a good chip. But if this is the max OC at 1.25V then it is considered a bad clocker.
Most of those Gigabyte 7950s are cherry picked low ASIC cards, and most of the time they don't OC that well. I've seen much higher overclocks on Sapphire cards.
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post #5 of 15
Alright after some tweaking and **** I managed to get (so far) stable 1100/1550 @ 1.13V. I'm pretty sure it could go much higher but I'm satisfied with it.
Edited by n00pe - 3/31/13 at 6:02am
post #6 of 15
without changing voltage and using msi afterburner using the +20% power slider you should be able to get 1050-1100 core and max on the memory slider. and of course run the fans on 100% while doing this and it shouldnt ever go over 75C
    
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post #7 of 15
Quote:
Originally Posted by mikemartinco View Post

without changing voltage and using msi afterburner using the +20% power slider you should be able to get 1050-1100 core and max on the memory slider. and of course run the fans on 100% while doing this and it shouldnt ever go over 75C
I'm at 1100/1400 @ 1.144V at the moment and it works fine so far. Also running fans on this card @ 100% is like flying with a jet. biggrin.gif
post #8 of 15
ya probably the loudest fans ive had, and theres 2x2 here lol

but i really dont think you even need to change the voltage honestly. try the power slider instead
    
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INTEL 520 240GB SSD SEAGATE BARRACUDA ST31000524AS SONY OPTIARC 5280S-CB-PLUS CORSAIR H100 CPU FRONT MOUNT INTERCOOLER 
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AMD FX-8350 8 CORE CROSSHAIR V FORMULA Z SAPPHIRE 7950 CROSSFIRE CORSAIR DOMINATOR PLATINUM w/ LIGHTBARS 
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INTEL 520 240GB SSD SEAGATE BARRACUDA ST31000524AS SONY OPTIARC 5280S-CB-PLUS CORSAIR H100 CPU FRONT MOUNT INTERCOOLER 
CoolingCoolingCoolingOS
6x 120MM XIGMATEK AOS XAF-F1253 2x 120MM ENERMAX RED LED 1x 120MM CORSAIR SP120 HP WINDOWS 8 PRO 64BIT 
PowerCaseOtherOther
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post #9 of 15
Thread Starter 
Quote:
Originally Posted by mikemartinco View Post

without changing voltage and using msi afterburner using the +20% power slider you should be able to get 1050-1100 core and max on the memory slider. and of course run the fans on 100% while doing this and it shouldnt ever go over 75C
The system crashes when I pass 1400 on the memory. frown.gif
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post #10 of 15
hmm is that a voltage locked gpu? alot of these 7950s are voltage locked, that would deny you tongue.gif
    
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AMD FX-8350 8 CORE CROSSHAIR V FORMULA Z SAPPHIRE 7950 CROSSFIRE CORSAIR DOMINATOR PLATINUM w/ LIGHTBARS 
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INTEL 520 240GB SSD SEAGATE BARRACUDA ST31000524AS SONY OPTIARC 5280S-CB-PLUS CORSAIR H100 CPU FRONT MOUNT INTERCOOLER 
CoolingCoolingCoolingOS
6x 120MM XIGMATEK AOS XAF-F1253 2x 120MM ENERMAX RED LED 1x 120MM CORSAIR SP120 HP WINDOWS 8 PRO 64BIT 
PowerCaseOtherOther
CORSAIR AX860 COOLER MASTER SCOUT 2 NZXT SENTRY 2 TOUCH SCREEN FAN CONTROLLER THERMALTAKE MAX DUO 5.25 RACK 1xSSD 1xHDD 2xUSB... 
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