https://wccftech.com/amd-zen-3-ryzen-4000-desktop-and-epyc-milan-server-cpus-late-2020-launch/

During its Financial Analyst Day, AMD presented it's latest CPU roadmaps and confirmed that the next-generation Zen 3 based Ryzen & EPYC Milan CPUs are arriving later this year. Based on a 7nm process node, the new Zen 3 based CPU families are going to deliver a huge leap in performance per watt and IPC gains.

Once again, most of the details are something that we already knew and AMD just reaffirmed those. According to the latest roadmap, AMD will be launching its Zen 3 CPU architecture this year in two key product families, the 4th Generation Ryzen 4000 series desktop processors and the 3rd Generation EPYC Milan server processors.