AMD HD7770 & HD7750 Roundup: Sapphire, XFX and HIS

Unigine provides an interesting way to test hardware. It can be easily adapted to various projects due to its elaborated software design and flexible toolset. A lot of their customers claim that they have never seen such extremely-effective code, which is so easy to understand.

Heaven Benchmark is a DirectX 11 GPU benchmark based on advanced Unigine engine from Unigine Corp. It reveals the enchanting magic of floating islands with a tiny village hidden in the cloudy skies. Interactive mode provides emerging experience of exploring the intricate world of steampunk.

Efficient and well-architected framework makes Unigine highly scalable:

• Multiple API (DirectX 9 / DirectX 10 / DirectX 11 / OpenGL) render
• Cross-platform: MS Windows (XP, Vista, Windows 7) / Linux
• Full support of 32bit and 64bit systems
• Multicore CPU support
• Little / big endian support (ready for game consoles)
• Powerful C++ API
• Comprehensive performance profiling system
• Flexible XML-based data structures

We use the following settings: 1920×1080 resolution. Anti Aliasing off. Anisotrophy 4, Tessellation normal. Shaders High. Stereo 3D disabled. API: Direct X 11.

Performance results are as we would expect based on previous testing. The Sapphire HD7750 low profile card suffers a little due to the 800mhz core clock speed, although the XFX HD7750 Black Edition Overclocked is less than 3 frames per second faster.

The HIS HD7770 GHZ Edition IceQ X averages almost 40 frames per second, although the minimum frame rate drops below the 25 sweet spot with several of the environmental tests. Configuring both HD7750 and HD7770 into Crossfire configurations helps boost performance significantly, needed for such an intensive benchmark at these settings.

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