Intel Xeon X5680 's Advantages
Higher base frequency (3.333GHz vs 2.2GHz)
Intel Xeon E5 2658A v3 's Advantages
Released 4 years and 11 months late
Higher specification of memory (DDR4-2133 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (30MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (105W vs 130W)