Intel Xeon E3 1278L v4 's Advantages
Higher base frequency (2GHz vs 1.9GHz)
Lower TDP (47W vs 350W)
Intel Xeon w9 3495X 's Advantages
Released 7 years and 8 months late
Higher specification of memory (4800 vs 1600)
Newer PCIe version (5 vs 3)
Larger L3 cache size (105MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)