Intel Xeon X5680 's Advantages
Higher base frequency (3.333GHz vs 3.1GHz)
Larger L3 cache size (12MB vs 8MB)
Intel Xeon E3 1285L v3 's Advantages
Released 3 years and 4 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (65W vs 130W)