Xeon E6540 's Advantages
Lower TDP (105W vs 385W)
Xeon w9 3595X 's Advantages
Released 14 years and 5 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (5 vs 2)
Larger L3 cache size (112.5MB vs 18MB)
More modern manufacturing process (10nm vs 45nm)