Intel Xeon Platinum 9221 's Advantages
Released 3 years and 10 months late
Higher specification of memory (DDR4-2933 vs DDR4-1866)
Higher base frequency (2.1GHz vs 1.7GHz)
Larger L3 cache size (71.5MB vs 30MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 4648 v3 's Advantages
Lower TDP (105W vs 250W)