Intel Core i7 9800X 's Advantages
Higher base frequency (3.8GHz vs 3.5GHz)
Lower TDP (165W vs 180W)
AMD Ryzen Threadripper 2920X 's Advantages
Higher specification of memory (2933 vs 2666)
Larger memory bandwidth (87.62GB/s vs 79.47GB/s)
Larger L3 cache size (32MB vs 17MB)
More modern manufacturing process (12nm vs 14nm)