Intel Xeon E5640 's Advantages
Lower TDP (80W vs 280W)
AMD EPYC 9355P 's Advantages
Released 14 years and 7 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (3.55GHz vs 2.666GHz)
Larger L3 cache size (256MB vs 12MB)
More modern manufacturing process (4nm vs 32nm)