Intel Xeon E5649 's Advantages
Higher base frequency (2.533GHz vs 2.2GHz)
Lower TDP (80W vs 390W)
AMD EPYC 9825 's Advantages
Released 13 years and 8 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (384MB vs 12MB)
More modern manufacturing process (3nm vs 32nm)