EPYC 'Genoa' processors with up to 96 cores based on the Zen 4 microarchitecture for mainstream servers and this platform will ramp up gradually in 2023. Performance wise, these SoCs can compete against x86 processors, but if they cannot run programs, they will not be adopted.  Nvidia's compute GPUs are in AI and HPC fields, its Arm-based processors for servers are poised to grab a significant share of the market