We've been hearing about Ampere since 2017, even before the Turing name popped up, and we still don't know what to expect. It's believed that Ampere will be fabbed on a 7nm process, possibly by Samsung. This should give the chip a more than 50 percent increase in transistor density.
NVIDIA's foundry of choice is still unknown, however current speculations are predicting that Samsung will manufacture Ampere, possibly due to delivery issues that are taking place at TSMC. Architectural improvements should take place as well. Ray tracing is expected to persist and get enhanced with possibly more hardware allocated for it, along with better software to support the ray tracing ecosystem of applications.It will be very interesting to see how Ampere stacks up versus AMD's next Navi architecture as well as Intel's first-generation Xe GPUs.