Intel Xeon E3 1245 v2 's Advantages
Higher base frequency (3.4GHz vs 2.8GHz)
Lower TDP (77W vs 230W)
Intel Xeon Gold 6342 '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)