Xeon L5639 's Advantages
Higher specification of memory (1333 vs 4)
Lower TDP (60W vs 250W)
Intel Xeon Platinum 9222 's Advantages
Released 8 years and 2 months late
Higher base frequency (2.3GHz vs 2.133GHz)
Larger L3 cache size (71.5MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)