Intel Xeon Gold 6438Y 's Advantages
Released 7 years and 3 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon E3 1220 v5 's Advantages
Higher base frequency (3GHz vs 2GHz)
Lower TDP (80W vs 205W)