There is no such thing. For AE it's simply irrelevant - its GPU acceleration is too limited, the Raytrace 3D renderer deprecated.
in Ae only these effects are affected by the GPU so far.
- Gaussian Blur
- Lumetri Color
- Brightness and Contrast
- Find Edges
the way things are going, I would definitely considered a supported GPU if I am to upgrade my system.
in Premiere GPU can make a big difference. here are the supported types: Premiere Pro System Requirements for Mac OS and Windows
I would recommend this website for information about setting up your hardware for Premiere or Ae. here are relative articles about GPU hardware for both: