The 3D capabilities in Photoshop CC are much deeper than what is shown here. For more information on Photoshop CC 3D, you are able to download the Dimensions book http://www.photoshopdimensions.com. This book has been created. Photoshop 3D team and will show more features, capabilities, and examples that are possible in this version of Photoshop.
The 3D engine in Photoshop CC requires a minimum of 512mb of Video RAM (VRAM) on the computers graphics card to operate