Intel Xeon W 2155 's Advantages
Lower TDP (140W vs 220W)
Intel Xeon W 3323 's Advantages
Released 3 years and 11 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4 vs 3)
Higher base frequency (3.5GHz vs 3.3GHz)
Larger L3 cache size (18MB vs 13.75MB)
More modern manufacturing process (10nm vs 14nm)