Intel Core i9 12900E 's Advantages
Higher base frequency (2.3GHz vs 2.0GHz)
Lower TDP (35W vs 65W)
Intel Core i9 14900 's Advantages
Released 2 years late
Higher specification of memory (5600 vs 4800)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 5)
Larger L3 cache size (36MB vs 30MB)