Intel Xeon E5 2698B v3 's Advantages
Released 6 years and 10 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Xeon L5420 's Advantages
Higher base frequency (2.5GHz vs 2GHz)
Lower TDP (50W vs 135W)