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Issues with overclocking a Gigabyte HD7950

Tags:
  • Overclocking
  • Core
  • Gigabyte
Last response: in Overclocking
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January 3, 2014 5:28:11 AM

Hi,

I'm having some issues with overclocking this card. Here are the full specs of my PC:

GPU: GV-R795WF3-3GD, I believe I have a rev. 1 card since the core clocks are 900MHz/1250MHz @ 1.5 V
CPU: Intel Core i5 3750K
Mobo: GA-Z77X-D3H
RAM: Corsair 16 GB DDR3-1600
PSU: XFX PRO 550W

I can overclock up until a core clock of 980MHz. Anything above that and any game I start up will experience a driver crash.

However, the remarkable thing here, is that I use a GPU core clock of 1000MHz when mining for litecoin, without any issue. No driver crashes, no hardware errors, nothing.

I'm puzzled as to why mining on 1000MHz works, and gaming on the same speed doesn't.

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