Benchmark: LuxMark 2.0
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LuxMark is an open-source, cross-platform GPU computing benchmark. Based on LuxRender, a freeware rendering program, this GPGPU benchmark tests each graphics card's ability to construct a complex scene using OpenCL.
We couldn't get the KFA² card to run the LuxMark benchmark using the beta driver provided to press, but we've had no such problems with the Gigabyte card on the latest WHQL release, 306.23.
Not that there's much to see, mind. The Radeons clearly have the edge in GPGPU capability, and the GK106-based GTX 660 OC finishes right where we'd expected; at the foot of the chart.