Xeon 6740E 's Advantages
Higher specification of memory (6400 vs 4800)
Larger L3 cache size (96MB vs 33.75MB)
More modern manufacturing process (5nm vs 10nm)
Xeon w7 2555X 's Advantages
Higher base frequency (3.3GHz vs 2.4GHz)
Lower TDP (210W vs 250W)