Pentium 1405 V2 's Advantages
Lower TDP (40W vs 325W)
Xeon w7 3555 's Advantages
Released 10 years and 7 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (5 vs 3)
Higher base frequency (2.7GHz vs 1.4GHz)
Larger L3 cache size (75MB vs 6MB)
More modern manufacturing process (10nm vs 22nm)