EPYC 7552 's Advantages
Released 8 years and 4 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (192MB vs 8MB)
More modern manufacturing process (7nm vs 32nm)
Intel Xeon E3 1220 's Advantages
Higher base frequency (3.1GHz vs 2.2GHz)
Lower TDP (80W vs 200W)