Intel Xeon E5503 's Advantages
Lower TDP (80W vs 205W)
Intel Xeon Gold 6346 's Advantages
Released 11 years and 1 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (3.1GHz vs 2GHz)
Larger L3 cache size (36MB vs 4MB)
More modern manufacturing process (10nm vs 45nm)