Intel Xeon E3 1225 's Advantages
Higher base frequency (3.1GHz vs 1.8GHz)
Lower TDP (95W vs 125W)
Intel Xeon Bronze 3408U 's Advantages
Released 11 years and 9 months late
Higher specification of memory (4000 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (22.5MB vs 6MB)
More modern manufacturing process (10nm vs 32nm)