Xeon E 2478 's Advantages
Released 10 years and 3 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.8GHz vs 2.6GHz)
Larger L3 cache size (24MB vs 15MB)
More modern manufacturing process (10nm vs 22nm)