Intel Xeon E3 1220 v5 's Advantages
Lower TDP (80W vs 220W)
Intel Xeon W 3323 's Advantages
Released 5 years and 9 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 3GHz)
Larger L3 cache size (18MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)