Lumion is a GPU-intensive program; your graphics card is the most critical component for performance. What kind of computer does Lumion 12 need?
Notable release details (from vendor release notes) Lumion Pro 12.0 -x64- Multilingual -FileCR-
One of the most celebrated additions in Pro 12 is the ability to place fine-detail nature objects. You can now scatter tiny flowers, twigs, and small rocks to create landscapes that feel lived-in and organic. This "Displacement Mapping" on foliage means that nature no longer looks like a flat texture but a complex, physical environment. Lumion is a GPU-intensive program; your graphics card