Xeon 6740E 's Advantages
Released 15 years and 3 months late
Higher specification of memory (6400 vs 1333)
Newer PCIe version (5 vs 2)
Larger L3 cache size (96MB vs 8MB)
More modern manufacturing process (5nm vs 45nm)
Xeon X5570 's Advantages
Higher base frequency (2.933GHz vs 2.4GHz)
Lower TDP (95W vs 250W)