Intel Xeon E5 2687W 's Advantages
Higher base frequency (3.1GHz vs 2.1GHz)
Lower TDP (150W vs 250W)
Intel Xeon Platinum 9221 's Advantages
Released 7 years and 1 months late
Higher specification of memory (DDR4-2933 vs DDR3)
Larger L3 cache size (71.5MB vs 20MB)
More modern manufacturing process (14nm vs 32nm)