Which processor and graphics card to choose for iMac 2019 for 3d modeling?

Question

iMac

Which processor and graphics card to choose for iMac 2019 for 3d modeling in programs such as Cinema 4D and Blender? It is calculated to model interiors, abstraction and their animation.

CPU:

• 9th Gen Intel Core i5 6-core processor @ 3.7GHz
  
• 9th Gen Intel Core i9 8-core processor @ 3.6GHz
  

GPU:

• Radeon Pro 580X GPU with 8GB GDDR5 memory
  
• Radeon Pro Vega 48 GPU with 8GB HBM2 memory
  

Answer 1

9th Gen Intel Core i9 8-core processor @ 3.6GHz

This.

Radeon Pro Vega 48 GPU with 8GB HBM2 memory

This.