AMD Ryzen Threadripper 2990WX 's Advantages
Larger memory bandwidth (87.42GB/s vs 47.68GB/s)
Larger L3 cache size (64MB vs 32MB)
AMD Ryzen 7 3800XT 's Advantages
Released 1 years and 11 months late
Higher specification of memory (DDR4-3200 vs DDR4-2933)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.9GHz vs 3.0GHz)
More modern manufacturing process (7nm vs 12nm)
Lower TDP (105W vs 250W)