Xeon EC5509 's Advantages
Lower TDP (85W vs 200W)
Intel Xeon w5 2465X 's Advantages
Released 13 years late
Higher specification of memory (4800 vs 1066)
Newer PCIe version (5 vs 2)
Higher base frequency (3.1GHz vs 2GHz)
Larger L3 cache size (33.75MB vs 8MB)
More modern manufacturing process (10nm vs 45nm)