Intel Core i5 12400 's Advantages
Integrated graphics card
Higher base frequency (2.5GHz vs 1.7GHz)
Intel Core i5 14500T 's Advantages
Released 2 years late
Higher specification of memory (4800 vs 4800)
Newer PCIe version (5 vs 5.0)
Larger L3 cache size (24MB vs 18MB)
Lower TDP (35W vs 65W)