Xeon 6740E 's Advantages
Released 16 years and 9 months late
Higher specification of memory (6400 vs 667)
Higher base frequency (2.4GHz vs 1.8GHz)
Larger L3 cache size (96MB vs 2MB)
More modern manufacturing process (5nm vs 65nm)
Opteron 8346 HE 's Advantages
Lower TDP (68W vs 250W)