OpenGL vs DirectX - Benchmark Comparison

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Software

I've done a few benchmarks to date and today I am going to add another interesting set of numbers to the list. Unigine is a cross-platform real-time 3D engine, I stumbled across awhile back on some message boards I am a part of. Since it is cross platform it offers the benchmark rendering in both OpenGL and DirectX APIs, as such I was curious as to which of the interfaces that are commonly used for 3D development offered better performance.

The Tests: Unigine offers two free benchmarks - Tropics and Sanctuary. I ran both demos using OpenGL, DirectX 9.1, and DirectX 10.0 under the 1680x1050 resolution.

The Hardware: While my hardware is not fastest in the world it is (as of posting this) relatively new and decently quick. Processor - Intel p9700 2.8ghz Dual Core, RAM - 4gigs of DDR3, Video Card: nVidia 260m with 1gig DDR3 dedicated memory (Running the latest stable nVidia driver 195.62).

The Software: Windows 7 Ultimate 64bit & Unigine Benchmarks

The Results: