Intel Xeon E3 1225 v2 's Advantages
Higher base frequency (3.2GHz vs 2.4GHz)
Lower TDP (77W vs 185W)
Intel Xeon Gold 6312U 's Advantages
Released 8 years and 11 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (36MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)