Intel Xeon E3 1220 v5 's Advantages
Higher base frequency (3GHz vs 1.8GHz)
Lower TDP (80W vs 125W)
Intel Xeon Bronze 3408U 's Advantages
Released 7 years and 3 months late
Higher specification of memory (4000 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (22.5MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)