Intel Xeon Gold 5412U 's Advantages
Released 12 years and 10 months late
Higher specification of memory (DDR5-4400 vs DDR3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.1GHz vs 2GHz)
Larger L3 cache size (45MB vs 4MB)
More modern manufacturing process (10nm vs 45nm)
Intel Xeon E5503 's Advantages
Lower TDP (80W vs 185W)