Intel Xeon E5 2686 v3 's Advantages
Lower TDP (120W vs 250W)
Intel Xeon Platinum 9221 's Advantages
Released 4 years and 7 months late
Higher specification of memory (2933 vs 2133)
Higher base frequency (2.1GHz vs 2GHz)
Larger L3 cache size (71.5MB vs 45MB)
More modern manufacturing process (14nm vs 22nm)