Initially rumored to be called GTX 20xxx, the next gen Nvidia GPU series seemed like it could actually use the 11xx suffix in the past few months. However, a new Russian ECC certificate for Manli's upcoming Nvidia GPUs informs that the series could use the 20xx denomination after all. Additionally, it mentions that the GPUs use the Ampere architecture.
https://www.notebookcheck.net/Nvidia-could-use-the-20XX-suffix-for-the-next-gen-GeForce-GTX-GPUs-after-all.320390.0.html
I think they should go with 20xx number. Would make more sense somehow. Easier to remember.
Turing would make more sense from an alphabetical point of view: Fermi, Kepler, Maxwell, Pascal, Turing