Xeon 6740E 's Advantages
Released 13 years and 2 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)
Intel Xeon E3 1260L 's Advantages
Lower TDP (45W vs 250W)