Xeon 6740E 's Advantages
Released 6 months late
Higher specification of memory (6400 vs 4800)
Higher base frequency (2.4GHz vs 1.9GHz)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (250W vs 350W)
Intel Xeon Platinum 8592 's Advantages
Larger L3 cache size (320MB vs 96MB)