Xeon 6740E 's Advantages
Released 9 years and 9 months late
Higher specification of memory (6400 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 25MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2660 v3 's Advantages
Higher base frequency (2.6GHz vs 2.4GHz)
Lower TDP (105W vs 250W)