Lumion requires a GPU with 6GB of video RAM minimum. And recommends a GPU with 10GB of video RAM or more. The list of minimum requirements including GPU can be seen at the Lumion web site here.
Hi,I have an optiplex 5000 with discrete graphic card AMD Radeon RX640 cant meet my software requirements for Lumion Pro 11.5.What is the recommended graphic card that i can install to support the software?[IMAGE]  
Optiplex 5000 tower to meet lumion requirements