Opteron 6180 SE 's Advantages
Higher base frequency (2.5GHz vs 2.2GHz)
Lower TDP (140W vs 205W)
Intel Xeon Gold 5520 's Advantages
Released 12 years and 10 months late
Higher specification of memory (DDR5-4800 vs DDR3-1333)
Newer PCIe version (5 vs 2)
Larger L3 cache size (52.5MB vs 12MB)