Zen 3 Architecture
The complete AMD Zen 3 Architecture press presentation is shown below, this goes into detail specifically what makes Zen 3 upgraded from Zen 2 down to the specific architectural diagrams. Read at your own discretion, we have posted the full presentation so you may assimilate the information at your leisure.
Below you will find the full AMD Product Experience of the Ryzen 5000 series CPUs. This talks a lot about the power management system, and Precision Boost 2 capabilities of the Ryzen 5 series CPUs. The full presentation is below for you to browse at your leisure.