Xeon Platinum 8280M 's Advantages
Released 9 years and 9 months late
Higher specification of memory (2933 vs 1066)
Newer PCIe version (3 vs 2)
Higher base frequency (2.7GHz vs 2.533GHz)
Larger L3 cache size (38.5MB vs 8MB)
More modern manufacturing process (14nm vs 45nm)
Xeon E5540 's Advantages
Lower TDP (80W vs 205W)