Intel Xeon E5 2620 v3 's Advantages
Lower TDP (85W vs 235W)
Xeon 6563P B 's Advantages
Released 10 years and 5 months late
Higher specification of memory (6400 vs 1866)
Newer PCIe version (5 vs 3)
Larger L3 cache size (152MB vs 15MB)
More modern manufacturing process (5nm vs 22nm)