Allura GPU is a new renderer for SketchUp which uses the power of your GPU (Graphics Processor) to preform the rendering.
As GPU render engines become more popular and feature rich, you may be thinking that it’s time to jump in and integrate GPUs into your workflow. The driving force behind a migration to GPU rendering has always been speed. SketchUp users frequently ask, “How much faster is GPU rendering as compared to CPU rendering?” This article by BOXX may provide some insight: GPU Rendering vs. CPU Rendering
Here is a sample rendering using Allura GPU