Intel Xeon L5640 's Advantages
Higher base frequency (2.266GHz vs 2GHz)
Lower TDP (60W vs 350W)
Intel Xeon Platinum 8580 's Advantages
Released 13 years and 9 months late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (300MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)