Intel Xeon Platinum 8280 's Advantages
Released 3 years and 6 months late
Higher specification of memory (DDR4 vs DDR3)
Higher base frequency (2.7GHz vs 2GHz)
Larger L3 cache size (38.5MB vs 20MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E7 4809 v3 's Advantages
Lower TDP (115W vs 205W)