Xeon E 2478 's Advantages
Released 8 years and 2 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (24MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon E3 1220 v5 's Advantages
Higher base frequency (3GHz vs 2.8GHz)