Intel Xeon E3 1270 v5 's Advantages
Higher base frequency (3.6GHz vs 2.1GHz)
Lower TDP (80W vs 270W)
Intel Xeon Gold 6538N 's Advantages
Released 8 years and 2 months late
Higher specification of memory (5200 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)