Intel Core i5 14400 's Advantages
Integrated graphics card
Higher base frequency (2.5GHz vs 1.1GHz)
Intel Core i9 14900T 's Advantages
Higher specification of memory (5600 vs 4800)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (5 vs 5.0)
Larger L3 cache size (36MB vs 20MB)
Lower TDP (35W vs 65W)