Intel Xeon L5630 's Advantages
Higher base frequency (2.133GHz vs 1.8GHz)
Lower TDP (40W vs 185W)
Intel Xeon Gold 6421N 's Advantages
Released 12 years and 10 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (60MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)