Xeon 6740E 's Advantages
Released 10 years and 9 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 20MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2667 v2 's Advantages
Higher base frequency (3.3GHz vs 2.4GHz)
Lower TDP (130W vs 250W)