Intel Core i3 8350K's Advantages
Integrated graphics card
Higher base frequency (4.0GHz vs 3GHz)
Lower TDP (91W vs 105W)
AMD Ryzen 7 5700X3D's Advantages
Released 6 years and 3 months late
Higher specification of memory (DDR4-3200 vs DDR4-2400)
Larger memory bandwidth (51.2GB/s vs 37.5GB/s)
Newer PCIe version (4 vs 3.0)
Larger L3 cache size (96MB vs 8MB)