Intel Core i7 9800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 51.2GB/s)
Higher base frequency (3.8GHz vs 3.7GHz)
Larger L3 cache size (17MB vs 16MB)
AMD Ryzen 7 5700 's Advantages
Released 3 years and 6 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (3 vs 3.0)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (65W vs 165W)