https://wccftech.com/surface-laptop-3-amd-3780u/

At its Surface event today, Microsoft introduced two custom hardware solutions. One of these is for the Surface Laptop 3. The 2-in-1 comes in 13.5-inch and 15-inch variants, and the latter is powered by a custom AMD processor designed especially for the Surface lineup. Now we’ve got more details for this chip. Take a look below for them.

Well folks, AMD’s finally made it on ultrathin laptops. The company has designed a new processor based on Zen+ microarchitecture for the Surface Book 2. This chip is referred to as the Ryzen 3780U, and according to AMD, it’s capable of going up to 4GHz. Its also optimized for user workloads with algorithms programmed to balance between performance and battery efficiency.