Intel Xeon E7 4809 v3 's Advantages
Released 5 years and 3 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2GHz vs 1.9GHz)
Larger L3 cache size (20MB vs 12MB)
More modern manufacturing process (22nm vs 45nm)