AMD Ryzen 9 3900X 's Advantages
Higher base frequency (3.8GHz vs 2.7GHz)
Lower TDP (105W vs 280W)
AMD Ryzen Threadripper Pro 3995WX 's Advantages
Released 1 years late
Larger memory bandwidth (204.8GB/s vs 47.68GB/s)
Larger L3 cache size (256MB vs 64MB)