Xeon E 2478 's Advantages
Released 13 years and 10 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (80W vs 130W)
Intel Xeon X5680 's Advantages
Higher base frequency (3.333GHz vs 2.8GHz)