Intel Xeon E3 1265L v4 's Advantages
Lower TDP (35W vs 250W)
Xeon 6740E 's Advantages
Released 9 years late
Higher specification of memory (DDR5-6400 vs DDR3-1866)
Newer PCIe version (5 vs 3)
Higher base frequency (2.4GHz vs 2.3GHz)
Larger L3 cache size (96MB vs 6MB)
More modern manufacturing process (7nm vs 14nm)