Intel Xeon E5 2628L v3 's Advantages
Larger L3 cache size (25MB vs 24MB)
Lower TDP (75W vs 80W)
Xeon E 2478 's Advantages
Released 9 years and 3 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (2.8GHz vs 2GHz)
More modern manufacturing process (10nm vs 22nm)