AMD EPYC 7261 's Advantages
Lower TDP (170W vs 350W)
AMD Threadripper PRO 7975WX 's Advantages
Released 5 years and 4 months late
Higher specification of memory (DDR5-5200 vs DDR4-2666)
Newer PCIe version (5 vs 3)
Higher base frequency (4GHz vs 2.5GHz)
Larger L3 cache size (128MB vs 32MB)
More modern manufacturing process (5nm vs 14nm)