Intel Core i5 12600 's Advantages
Higher base frequency (3.3GHz vs 2.0GHz)
Intel Core i9 14900 's Advantages
Released 2 years late
Higher specification of memory (DDR5-5600 vs DDR5-4800)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Larger L3 cache size (36MB vs 18MB)