Intel Xeon W 2155 's Advantages
Higher base frequency (3.3GHz vs 2.6GHz)
Larger L3 cache size (13.75MB vs 12MB)
Xeon E 2414 's Advantages
Released 6 years and 4 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (55W vs 140W)