Opteron A1120 's Advantages
Lower TDP (25W vs 290W)
AMD EPYC 9454 's Advantages
Released 6 years and 10 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.75GHz vs 1.7GHz)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (5nm vs 28nm)