Opteron 6376 's Advantages
Lower TDP (115W vs 200W)
AMD EPYC 7513 's Advantages
Released 8 years and 4 months late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 2)
Higher base frequency (2.6GHz vs 2.3GHz)
Larger L3 cache size (128MB vs 8MB)
More modern manufacturing process (7nm vs 32nm)