Pentium 1405 V2 's Advantages
Higher specification of memory (1333 vs 4)
Larger L3 cache size (6MB vs 1.5MB)
Intel Xeon D 1527 's Advantages
Released 1 years and 10 months late
Higher base frequency (2.2GHz vs 1.4GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 40W)