Intel Xeon X5680 's Advantages
Higher base frequency (3.333GHz vs 2.5GHz)
Lower TDP (130W vs 300W)
Intel Xeon w7 3465X 's Advantages
Released 13 years late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (75MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)