Pentium 1405 V2 's Advantages
Lower TDP (40W vs 250W)
Xeon 6740E 's Advantages
Released 10 years and 5 months late
Higher specification of memory (DDR5-6400 vs DDR3-1333)
Newer PCIe version (5 vs 3)
Higher base frequency (2.4GHz vs 1.4GHz)
Larger L3 cache size (96MB vs 6MB)
More modern manufacturing process (7nm vs 22nm)