Intel Core i3 10320 's Advantages
Higher base frequency (3.8GHz vs 3.6GHz)
Lower TDP (65W vs 125W)
Intel Core i7 12700K 's Advantages
Released 1 years and 5 months late
Better graphics card performance
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)