![]() We must note, however, that the PCB actually gets very little of air flow because two thirds of the heatsink’s base are a vapor chamber and the remaining third is blocked by the curved-in ends of the aluminum fins. The latter, mentioned in the card’s own name, works together with the former and refers to the two fans. The former helps the air flow cover as much of the card’s PCB as possible and exhaust the hot air to the outside. The XFX R7970 Double Dissipation Edition is equipped with an original cooling system that combines two exclusive features: GHOST and Double Dissipation. The GPU of our sample of the XFX card matches this correlation well enough. The higher this number, the lower voltage the GPU needs to work at the default clock rate and the higher overclocking results you can get with it by increasing its voltage.Īccording to Alexey Nikolaichuk (the author of RivaTuner and MSI Afterburner), the correlation between voltage and quality is like follows: The GPU of our sample of the card has an ASIC quality of 76.6%. This feature has been developed for Nvidia’s Fermi (GX10x and GF11x) and AMD’s Southern Islands chips (Radeon HD 78xx and HD 79xx) and is supposed to indicate the quality of the specific GPU, in percent, based on electrical leakage data. ![]() ![]() The ASIC Quality screenshot on the right can be evoked from GPU-Z’s context menu and is individual for each graphics card and GPU. ![]()
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