AMD EPYC 7251 's Advantages
Lower TDP (120W vs 280W)
AMD Ryzen Threadripper PRO 5965WX 's Advantages
Released 4 years and 9 months late
Higher specification of memory (3200 vs 2400)
Newer PCIe version (4 vs 3)
Higher base frequency (3.8GHz vs 2.1GHz)
Larger L3 cache size (128MB vs 32MB)
More modern manufacturing process (7nm vs 14nm)