Xeon 6740E 's Advantages
Released 2 years and 11 months late
Higher specification of memory (6400 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (96MB vs 36MB)
More modern manufacturing process (5nm vs 10nm)
Intel Xeon W 3345 's Advantages
Higher base frequency (3GHz vs 2.4GHz)