Intel Xeon w5 3425 's Advantages
Released 7 years and 4 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon E3 1225 v5 's Advantages
Higher base frequency (3.3GHz vs 3.2GHz)
Lower TDP (80W vs 270W)