EPYC 7552 's Advantages
Higher base frequency (2.2GHz vs 2.1GHz)
Lower TDP (200W vs 500W)
Xeon 6979P 's Advantages
Released 5 years and 1 months late
Higher specification of memory (8800 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (504MB vs 192MB)
More modern manufacturing process (5nm vs 7nm)