Intel Xeon E5 2689 's Advantages
Higher base frequency (2.6GHz vs 2GHz)
Lower TDP (115W vs 205W)
Intel Xeon Gold 6438Y 's Advantages
Released 10 years and 10 months late
Higher specification of memory (4800 vs 1600)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)