Opteron 6348 's Advantages
Higher base frequency (2.8GHz vs 2GHz)
Lower TDP (115W vs 205W)
Intel Xeon Gold 6438N 's Advantages
Released 10 years and 2 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 2)
Larger L3 cache size (60MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)