Which of the Cinema 4D products are you wanting to run (Cinema 4D Studio, Cinema 4D Broadcast, Cinema 4D Visualize, or Cinema 4D Prime)? Here are the minimum system requirements -
http/www.maxon.net/products/general-information/general-information/system-requirements.html
The processor seems fine. As for the graphics card:
"You can download our demo to test the graphics card yourself. If the card works well with the demo it will work well with the actual program.
You can also download our CINEBENCH application from our website here - www.maxon.net/downloads/cinebench/cinebench-115.html "
Source:
http/www.maxon.net/support/faq/system-requirements.html
How much RAM do you have installed?