Intel Xeon E5 4655 v3 's Advantages
Lower TDP (135W vs 205W)
Intel Xeon Gold 6346 's Advantages
Released 5 years and 10 months late
Higher specification of memory (DDR4-3200 vs DDR4-2133)
Newer PCIe version (4 vs 3)
Higher base frequency (3.1GHz vs 2.9GHz)
Larger L3 cache size (36MB vs 30MB)
More modern manufacturing process (10nm vs 22nm)