Intel Xeon W3680 's Advantages
Higher base frequency (3.333GHz vs 3.3GHz)
Xeon E 2278GE 's Advantages
Released 9 years and 3 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (16MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 130W)