Intel Xeon E5 1650 v2 Advantages
Higher base frequency (3.5GHz vs 2.6GHz)
Lower TDP (130W vs 235W)
Xeon 6553P B Advantages
Released 11 years and 5 months late
Higher specification of memory (6400 vs 1866)
Newer PCIe version (5 vs 3)
Larger L3 cache size (144MB vs 12MB)
More modern manufacturing process (5nm vs 22nm)