Pentium 1405 V2 's Advantages
Higher specification of memory (1333 vs 4)
Lower TDP (40W vs 72W)
Intel Xeon E 2124G 's Advantages
Released 4 years and 4 months late
Higher base frequency (3.4GHz vs 1.4GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (14nm vs 22nm)