Intel Xeon w5 3425 's Advantages
Released 3 years and 10 months late
Higher specification of memory (DDR5-4800 vs DDR4-2933)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2.1GHz)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon Platinum 9221 's Advantages
Larger L3 cache size (71.5MB vs 30MB)
Lower TDP (250W vs 270W)