Intel Xeon E5603 's Advantages
Lower TDP (80W vs 230W)
Intel Xeon Gold 6342 's Advantages
Released 10 years and 2 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (2.8GHz vs 1.6GHz)
Larger L3 cache size (36MB vs 4MB)
More modern manufacturing process (10nm vs 32nm)