Intel Xeon E3 1225 v2 's Advantages
Lower TDP (77W vs 220W)
Intel Xeon W 3323 's Advantages
Released 9 years and 2 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 3.2GHz)
Larger L3 cache size (18MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)