Intel Xeon W 2123 's Advantages
Higher base frequency (3.6GHz vs 2.1GHz)
Lower TDP (120W vs 250W)
Intel Xeon Platinum 9221 's Advantages
Released 1 years and 8 months late
Higher specification of memory (DDR4-2933 vs DDR4-2666)
Larger L3 cache size (71.5MB vs 8.25MB)