Pentium 1405 V2 's Advantages
Higher specification of memory (1333 vs 4)
Lower TDP (40W vs 79W)
Intel Xeon E3 1285 v6 's Advantages
Released 3 years and 7 months late
Higher base frequency (4.1GHz vs 1.4GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (14nm vs 22nm)