Xeon Platinum 8280 's Advantages
Released 7 years and 8 months late
Higher base frequency (2.7GHz vs 2GHz)
Larger L3 cache size (38.5MB vs 18MB)
More modern manufacturing process (14nm vs 32nm)
Xeon E7 4820 's Advantages
Higher specification of memory (1333 vs 4)
Lower TDP (105W vs 205W)