Intel Core i3 9100 's Advantages
Lower TDP (65W vs 120W)
AMD Ryzen 7 9800X3D 's Advantages
Released 5 years and 6 months late
Better graphics card performance
Higher specification of memory (5600 vs 2400)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.7GHz vs 3.6GHz)
Larger L3 cache size (96MB vs 6MB)
More modern manufacturing process (4nm vs 14nm)