Our 3d team was exploring Lumion, an instant 3d program to create 3d images and animation for presentations. to find out more...
For the system requirements, a graphic card is required.
My computer settings are not high but sufficient for your reference for Lumion, Ecotect and Max rendering.
Graphic Card: Radeon EAH 5570,
Computer CPU: Aspire X3960,icore3
Memory: 12G RAM