Intel Xeon X5690 's Advantages
Higher base frequency (3.466GHz vs 2.1GHz)
Lower TDP (130W vs 270W)
Intel Xeon Gold 6538N 's Advantages
Released 12 years and 10 months late
Higher specification of memory (5200 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (60MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)