AMD Ryzen 9 3900X 's Advantages
Released 9 months late
Higher specification of memory (DDR4-3200 vs DDR4-2933)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.8GHz vs 3.0GHz)
More modern manufacturing process (7nm vs 12nm)
Lower TDP (105W vs 250W)
AMD Ryzen Threadripper 2970WX 's Advantages
Larger memory bandwidth (87.42GB/s vs 47.68GB/s)