AMD EPYC 7663P 's Advantages
Larger L3 cache size (256MB vs 128MB)
Lower TDP (240W vs 350W)
AMD Threadripper PRO 7975WX 's Advantages
Higher specification of memory (5200 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (4GHz vs 2GHz)
More modern manufacturing process (5nm vs 7nm)