AMD Threadripper PRO 7955WX's Advantages
Released 3 years and 3 months late
Higher specification of memory (DDR5-5200 vs DDR4-3200)
Larger memory bandwidth (332.8GB/s vs 204.8GB/s)
Newer PCIe version (5 vs 4.0)
Higher base frequency (4.5GHz vs 2.7GHz)
More modern manufacturing process (5nm vs 7nm)
AMD Ryzen Threadripper Pro 3995WX's Advantages
Larger L3 cache size (256MB vs 64MB)
Lower TDP (280W vs 350W)