AMD Ryzen 3 3100 's Advantages
More modern manufacturing process (7nm vs 10nm)
Lower TDP (65W vs 125W)
Intel Core i7 12700K 's Advantages
Released 1 years and 6 months late
Integrated graphics card
Higher specification of memory (4800 vs 3200)
Larger memory bandwidth (76.8GB/s vs 51.2GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (25MB vs 16MB)