Xeon 6740E 's Advantages
Released 9 months late
Higher specification of memory (6400 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (2.4GHz vs 2GHz)
More modern manufacturing process (5nm vs 7nm)
AMD EPYC 7663P 's Advantages
Larger L3 cache size (256MB vs 96MB)
Lower TDP (240W vs 250W)