Intel Xeon X5680 's Advantages
Higher base frequency (3.333GHz vs 3.1GHz)
Lower TDP (130W vs 270W)
Intel Xeon w5 3435X 's Advantages
Released 13 years late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (45MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)