AMD Ryzen Threadripper 1920X 's Advantages
Larger memory bandwidth (79.47GB/s vs 51.2GB/s)
Higher base frequency (3.5GHz vs 3.4GHz)
AMD Ryzen 7 5800 's Advantages
Released 3 years and 5 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Newer PCIe version (4.0 vs 3.0)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (65W vs 180W)