Intel Xeon E5 2640 's Advantages
Lower TDP (95W vs 270W)
Intel Xeon Gold 6548N 's Advantages
Released 11 years and 9 months late
Higher specification of memory (5200 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.8GHz vs 2.5GHz)
Larger L3 cache size (60MB vs 15MB)
More modern manufacturing process (10nm vs 32nm)