AMD Ryzen Threadripper PRO 7995WX's Advantages
Released 3 years and 9 months late
Higher specification of memory (DDR5-5200 vs DDR4-3200)
Larger memory bandwidth (332.8GB/s vs 95.37GB/s)
Newer PCIe version (5 vs 4.0)
Larger L3 cache size (384MB vs 128MB)
More modern manufacturing process (5nm vs 7nm)
AMD Ryzen Threadripper 3990X's Advantages
Higher base frequency (2.9GHz vs 2.5GHz)
Lower TDP (280W vs 350W)