In particular, it is because theflagship card from Nvidia is very difficult to find even a monthafter launch. On top of that AMD partners have had enough time tomake their own better high-end model top card, and we have a greatopportunity to go back to the Radeon HD 7970. Five differentmanufacturers sent us for review their models, which allowed a reviewof graphics cards based on GPU Tahiti.

HD-OC7970 from Sapphire comes with a very fast memory in comparison withall other Radeon HD 7970. However, its core is working with a moremodest frequency of 1000 MHz. However, the operating frequency rangeis not the only

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reason for us to recommend this Radeon HD 7970.Thesoftware, noise and temperature, cost, technical support andoverclocking potential - all the factors come into play. Let's take acloser look at each model.

The flagship Radeon HD 7970 cardfrom Gigabyte uses a black PCB length of 26.6 cm, width 12 cm,thickness 3.8 cm and weighs 780 grams - it is the smallest andlightest card in our review. Currently, the price model GV-R797OC-3GD at New egg. This card boasts a core clock of 1000MHz and memoryrunning at 1375 MHz, it turns out that the GPU accelerated at 75 MHzand the memory remains intact. In addition, as the reference model,R797OC-3GD from Gigabyte requires a six-and one vosmikontaktnyauxiliary power connectors.