Intel Core i7 7700K 's Advantages
Better graphics card performance
Higher base frequency (4.2GHz vs 2.2GHz)
Intel Core i3 12100T 's Advantages
Released 5 years late
Higher specification of memory (4800 vs 2400)
Larger memory bandwidth (76.8GB/s vs 35.76GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (35W vs 91W)