AMD Ryzen 9 5900 's Advantages
Released 2 years and 3 months late
Higher specification of memory (DDR4-3200 vs DDR4-2933)
Newer PCIe version (4.0 vs 3.0)
More modern manufacturing process (7nm vs 12nm)
Lower TDP (65W vs 250W)
AMD Ryzen Threadripper 2970WX 's Advantages
Larger memory bandwidth (87.42GB/s vs 51.2GB/s)
Larger L3 cache size (64MB vs 32MB)