For GPU acceleration, only AMD (ATI) and NVIDIA GPUs are supported. Integrated graphics chips such as those from Intel are not supported. Up-to-date drivers with OpenCL support is required.
AMD / ATI
Radeon 5xxx or greater. Best results can be achieved with an HD 57xx or HD 58xx.
GeForce 8xxx or greater. Good results can be achieved with a GTX 2xx, better still with a GTX 4xx.
For further information on LuxRender's GPU implementation and capabilities, see our wiki page on the subject.