Intel Core i7 6900K 's Advantages
Larger L3 cache size (20MB vs 12MB)
Intel Core i3 12100 's Advantages
Released 5 years and 8 months late
Integrated graphics card
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.3GHz vs 3.2GHz)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (60W vs 140W)