Intel Xeon E5 2698B v3 's Advantages
Released 4 years and 10 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (40MB vs 4MB)
More modern manufacturing process (22nm vs 45nm)
Intel Xeon E5507 's Advantages
Higher base frequency (2.266GHz vs 2GHz)
Lower TDP (80W vs 135W)