An interview at CES 2025 has given rise to hopes that Nvidia's 30-series GPUs will include Frame Generation support.
Outside of the VRAM requirements, Doom: The Dark Ages also requires a GPU with ray tracing hardware. The game will support path tracing, as well as DLSS 4, according to Nvidia’s Jacob Freeman.
Gaming benchmarks typically put GeForce on top, but it's in the AI stakes that modern RTX is in another league entirely.