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 (DDR5-4800 vs DDR3)
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)