Intel Core i3 12100 's Advantages
Lower TDP (60W vs 120W)
AMD Ryzen 9 7900X3D 's Advantages
Released 1 years late
Better graphics card performance
Higher specification of memory (5200 vs 4800)
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Higher base frequency (4.4GHz vs 3.3GHz)
Larger L3 cache size (128MB vs 12MB)
More modern manufacturing process (5nm vs 10nm)