The document was still on the Lenovo website at time of going to press and AMD is being rather quiet about it. It mentions four different processors: Ryzen 5 Pro 5645, AMD Ryzen 7 Pro 5845, and AMD Ryzen Pro 5945.
The AMD Ryzen 5 Pro 5645 features six cores with a base frequency of 3.7GHz and 12 threads, and the AMD Ryzen 7 Pro 5845 features six cores with eight threads and a base frequency of 3.4GHz - both processors have a max frequency of 4.6GHz.
The AMD Ryzen Pro 5945 has 12 cores with 24 threads, with a base frequency of 3.0GHz and a max frequency of 4.7GHz.
All the above processors feature DDR4-3200 memory support, but none feature integrated graphics.
Lenovo is also rolling out AMD hardware in its newest mobile workstations, the ThinkPad P15v Gen 3 and ThinkPad P14s Gen 3 which is a move away from older ThinkPad's which run on Intel processors..