Stable Diffusion is seeing more use for professional content creation work. How do NVIDIA GeForce and AMD Radeon cards compare in this workflow?

Stable Diffusion is seeing more use for professional content creation work. How do NVIDIA GeForce and AMD Radeon cards compare in this workflow?
The NVIDIA GeForce RTX 4070 and 4060 Ti (8GB) are the most recent additions to NVIDIAs consumer family of GPUs on their Ada Lovelace Architecture. How do they compare for content creation against their previous generation counterparts?