Intel Core i3 9100 's Advantages
Integrated graphics card
Higher base frequency (3.6GHz vs 3.3GHz)
Lower TDP (65W vs 105W)
AMD Ryzen 5 5600X3D 's Advantages
Released 4 years and 3 months late
Higher specification of memory (3200 vs 2400)
Larger memory bandwidth (51.2GB/s vs 37.5GB/s)
Newer PCIe version (4 vs 3.0)
Larger L3 cache size (96MB vs 6MB)
More modern manufacturing process (7nm vs 14nm)