Intel Core i9 12900K 's Advantages
Integrated graphics card
Higher base frequency (32GHz vs 1.5GHz)
Larger L3 cache size (30MB vs 20MB)
Intel Core i5 14400T 's Advantages
Released 2 years and 3 months late
Higher specification of memory (4800 vs 4800)
Newer PCIe version (5 vs 5.0)
Lower TDP (35W vs 125W)