The siteís numbers cover both 3DMark Vantage and the Unigine Heaven benchmark, with the Radeon HD 6970 allegedly scoring 23,499 on the first one while delivering 36.6fps on the Unigine benchmark running at 1920 x 1,080 with 4x anti-aliasing and 16x anisotropic filtering. By comparison, a GTX 480 on the same platform scored 21,106 in 3DMark and ran Unigine Heaven at 29.5fps, while an HD 5870 managed 19,337 and 17.3, respectively.
Going by these numbers it looks like AMDís upcoming card will bring a 10% performance improvement over Nvidiaís flagship card, the GTX 480, while boasting around 20% greater performance the Radeon HD 5870 itís replacing. With the Radeon HD 6870 putting on an impressive show, we're definitely looking forward to see how the new Cayman-based Radeon cards perform. For now, though, weíll take this leak with a grain of salt.