Opteron 6262 HE 's Advantages
Lower TDP (85W vs 200W)
AMD EPYC 9254 's Advantages
Released 11 years late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.9GHz vs 1.6GHz)
Larger L3 cache size (128MB vs 16MB)
More modern manufacturing process (5nm vs 32nm)