I am currently in an entry level and I still have to learn numerous things. I did not know what you mean by material. Do you mean the colour of a game object? If yes, is it so demanding task?
Moreover, what is the streamed levels and HDRI textures?
I want to get better at coding and I would really like to do level design. Maybe it could be a plus if I started learning the basic stuff about 3D art.
I was thinking about getting a Ryzen 7 maybe and RTX 4070 Super which has 12 GB VRAM. For now, I do not think that it is wise to get a super high-end PC, as I am still in the start of my career. I do not do so demanding tasks currently.