Back when looking at the AMD Ryzen 7000 series budget server performance last year, DDR5-4800 ECC UDIMMs were used with the ASRock Rack 1U4LW-B650/2L2T Ryzen server given that's what was broadly available at the time.
With the new Linux 6.5 kernel stable series one of the many new features is defaulting to the AMD P-State driver with the EPP/active mode compared to the long-used default of the ACPI CPUFreq driver.
While this summer has been a busy season of benchmarking with the new AMD EPYC Bergamo processors providing up to 128-cores / 256-threads per socket and the new EPYC Genoa-X parts providing up to 1.1GB of L3 cache with 3D V-Cache to provide for excellent HPC performance, not everyone needs such levels of performance nor having the budget for such platforms.