Xeon Platinum 8280 's Advantages
Released 6 years and 7 months late
Higher specification of memory (4 vs 3)
Higher base frequency (2.7GHz vs 2.4GHz)
Larger L3 cache size (38.5MB vs 20MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5 4640 's Advantages
Lower TDP (95W vs 205W)