https://wccftech.com/intel-demos-12th-gen-alder-lake-desktop-mobility-cpus-hybrid-core-architecture-10nm-superfin-process-coming-2h-2021/

During its CES 2021 virtual keynote, Intel's EVP, Gregory Bryant, demoed a system based on its 12th Generation Alder Lake CPUs. Gregory not only unveiled the first powered-on system running Intel's Alder Lake CPU but also unveiled some key details which include architecture, process, and launch.

Intel confirmed that its 12th Gen Alder Lake CPUs will be available on both Desktop & Mobility PC platforms. Following is what Intel had to say about Alder Lake: