Xeon E 2478 's Advantages
Released 6 years late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Higher base frequency (2.8GHz vs 2.5GHz)
Larger L3 cache size (24MB vs 19.25MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (80W vs 140W)