Xeon EC5509 's Advantages
Higher base frequency (2GHz vs 1.9GHz)
Lower TDP (85W vs 350W)
Intel Xeon Max 9480 's Advantages
Released 12 years and 11 months late
Higher specification of memory (4800 vs 1066)
Newer PCIe version (5 vs 2)
Larger L3 cache size (112.5MB vs 8MB)
More modern manufacturing process (10nm vs 45nm)