Intel Core i5 7400 's Advantages
Integrated graphics card
Higher base frequency (3.0GHz vs 1.8GHz)
Intel Core i5 14600T 's Advantages
Released 7 years late
Higher specification of memory (5600 vs 2400)
Larger memory bandwidth (89.6GB/s vs 35.76GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (24MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (35W vs 65W)