Intel Xeon E5 2698B v3 's Advantages
Released 4 years and 10 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (40MB vs 18MB)
More modern manufacturing process (22nm vs 45nm)
Xeon X7542 's Advantages
Higher base frequency (2.666GHz vs 2GHz)
Lower TDP (130W vs 135W)