The cores depend on the kind of rendering that you would want to do. You can make use of the PC device or laptop of your choice. Please make use of a workstation-class device because of the elements & cooling technology work better on them. These machines can help you with compute-intensive workloads. Most of the laptops present in today’s market are ideal for only 4 CPU cores and 32GB RAM. They are suitable only for mild entry-level rendering.