Intel Xeon W3690 's Advantages
Higher base frequency (3.466GHz vs 2.8GHz)
Xeon E 2478 's Advantages
Released 12 years and 10 months late
Higher specification of memory (DDR5-4800 vs DDR3)
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)