Intel Xeon w9 3475X 's Advantages
Released 10 years and 11 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (82.5MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5 2609 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (80W vs 300W)