Intel Xeon E5 2643 v3 's Advantages
Released 1 years and 10 months late
Higher specification of memory (2133 vs 1600)
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 2.8GHz)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (135W vs 140W)