Xeon E6540 's Advantages
Lower TDP (105W vs 200W)
Intel Xeon w5 2465X 's Advantages
Released 12 years and 11 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (3.1GHz vs 2GHz)
Larger L3 cache size (33.75MB vs 18MB)
More modern manufacturing process (10nm vs 45nm)