Opteron 6180 SE 's Advantages
Higher base frequency (2.5GHz vs 2GHz)
Lower TDP (140W vs 205W)
Intel Xeon Gold 5420 's Advantages
Released 11 years and 11 months late
Higher specification of memory (DDR5-4400 vs DDR3-1333)
Newer PCIe version (5 vs 2)
Larger L3 cache size (52.5MB vs 12MB)