Zen 4 is the name for a CPU microarchitecture designed by AMD, released on September 27, 2022. It is the successor to Zen 3 and uses TSMC's N6 process for I/O dies, N5 process for CCDs, and N4 process for APUs. From Wikipedia
The new Zen 5-based processors and RDNA 4 GPUs target high-end desktop, workstation, and mid-range gaming markets with competitive specs and pricing.
