Intel Xeon E5 2690 's Advantages
Higher base frequency (2.9GHz vs 2.8GHz)
Xeon E 2478 's Advantages
Released 11 years and 9 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (24MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (80W vs 135W)