There is a rumor that the Raptor Lake laptop CPU adds in the VPU that we did not expect until meteor lake. This would set a improved and differentiating feature set for the new brand.
AMD is adding a GPU in all Raphael desktop Zen 4s, but I don’t expect a renaming from Ryzen. 
I suspect that the GPU will be on the I/O chiplet. That results in an elegant design–if you use the built-in graphics, the CPU will output video to standard video connectors. If you use a separate GPU card, the video I/O goes over the PCIe lanes. I suspect AMD is doing this to make it easier to share I/O chiplets with low-end EPYC server chips.