Intel Xeon X5680 's Advantages
Higher base frequency (3.333GHz vs 3.3GHz)
Xeon E 2136 's Advantages
Released 8 years and 5 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 130W)