If Nvidia follows up with a new generation I bet it'll share the CPU on the Switch 2 as the og Shield used the same CPU as the original Nintendo Switch. :
The Spectrum Ethernet Platform | NVIDIA
How a “Switch Pro” leak may point to Nvidia's megaton mobile-gaming plans | Ars Technica
Optimistic Nintendo Switch 2 specs leak puts forward huge CPU and GPU changes that would render Tegra T239 obsolete - NotebookCheck.net News
Nvidia GeForce Now might come to Nintendo Switch, if there's enough interest | TechRadar