Intel Core i9 9900X 's Advantages
Larger memory bandwidth (85GB/s vs 51.2GB/s)
Higher base frequency (3.5GHz vs 3.4GHz)
AMD Ryzen 7 5700X 's Advantages
Released 3 years and 6 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (32MB vs 20MB)
Lower TDP (65W vs 165W)