Xeon E7 4807 's Advantages
Higher specification of memory (1333 vs 3)
Lower TDP (95W vs 100W)
Intel Xeon E5 2692 v2 's Advantages
Released 2 years and 5 months late
Higher base frequency (2.2GHz vs 1.866GHz)
Larger L3 cache size (30MB vs 18MB)
More modern manufacturing process (22nm vs 32nm)