Intel Xeon E3 1230 's Advantages
Higher base frequency (3.2GHz vs 3.1GHz)
Lower TDP (80W vs 205W)
Intel Xeon Gold 6346 's Advantages
Released 10 years late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (36MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)