Intel Xeon Gold 6421N 's Advantages
Released 11 years and 9 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E3 1245 's Advantages
Higher base frequency (3.3GHz vs 1.8GHz)
Lower TDP (95W vs 185W)