Intel Xeon E5 2658 v3 's Advantages
Lower TDP (105W vs 330W)
Xeon 6780E 's Advantages
Released 9 years and 9 months late
Higher specification of memory (DDR5-6400 vs DDR4-2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (108MB vs 30MB)
More modern manufacturing process (7nm vs 22nm)