Xeon 6515P 's Advantages
Released 10 years and 1 months late
Higher specification of memory (6400 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (2.3GHz vs 2.2GHz)
Larger L3 cache size (72MB vs 30MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2658A v3 's Advantages
Lower TDP (105W vs 150W)