Xeon E 2478 's Advantages
Released 9 years and 3 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (2.8GHz vs 2GHz)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (80W vs 120W)
Intel Xeon E5 2683 v3 's Advantages
Larger L3 cache size (35MB vs 24MB)