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Sapphire Radeon HD 6990 Review

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Unigine Heaven Benchmark 2.1 is a DirectX 11 GPU benchmark based on the Unigine engine. What sets the Heaven Benchmark apart is the addition of hardware tessellation, available in three modes — Moderate, Normal and Extreme. Although tessellation requires a video card with DirectX 11 support and Windows Vista/7, the Heaven Benchmark also supports DirectX 9, DirectX 10 and OpenGL. Visually, it features beautiful floating islands that contain a tiny village and extremely detailed architecture.



  • 4xAA
  • 16xAF
  • Shaders = High
  • Tesselation = Normal
  • Measurement = FPS













Higher = Better


In the Heaven Benchmark the HD 6990 easily outperforms the HD 5970 and GTX 580. When compared to the HD 6970 Crossfire setup the results were up and down against it.

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