Hard OCP have reviewed the SAPPHIRE Vapor-X Radeon HD 7970 GHz Edition - here's a snippet:
Quote:
"Sapphire Technology is a well-known company based in Hong Kong, China, and is recognized as the single largest supplier of AMD-based video cards. Since ATI began funneling graphics processors to AiBs in 2001, Sapphire has been at the head of the red-team pack. In addition to video cards, Sapphire also offers a series of motherboards, workstation class video cards, multimedia products such as TV tuners and Digital Photo frames, and mini PCs like the EDGE HD2.
On our test bench today is one of the SAPPHIRE Radeon HD 7970 GHz edition series offerings, the brand new VAPOR-X HD 7970 GHZ Edition 3GB video card...
AMD released its first next generation GPU with the Radeon HD 7970 on December 22nd, 2011, codenamed "Tahiti." This released ruled the market in both performance and price until NVIDIA released the GeForce GTX 680 which had better performance and a lower price. AMD continued its release of the Radeon HD 7950 on January 30th, 2012 and later on with the Radeon HD 7870 and 7850 video cards on March 4th, 2012, codenamed "Pitcairn."
On June 21, 2012, AMD refreshed the Radeon HD 7970 with higher clock speeds and GHz edition branding. The biggest difference between the Radeon HD 7970 GHz Edition and a reference Radeon HD 7970 is the operating frequency. The reference design of the original 7970 has the GPU running at 925MHz and the memory running at 1375MHz or 5.5GHz GDDR5. The Radeon HD 7970 GHz Edition has the GPU running at 1000MHz base clock with a 1050MHz Boost Clock, while the memory is set to run at 1500MHz or 6GHz GDDR5. Both video cards still have 128 Texture Units, 32 ROP's, 128 Z/Stencils, and 3GB of GDDR5 memory on a 384-bit bus. The typical board power for each video card is 250 watts."
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