Intel Core i5 7400 's Advantages
Better graphics card performance
Intel Core i3 8100T 's Advantages
Released 1 years and 3 months late
Higher specification of memory (DDR4-2400 vs DDR4-2400)
Larger memory bandwidth (37.5GB/s vs 35.76GB/s)
Higher base frequency (3.1GHz vs 3.0GHz)
Lower TDP (35W vs 65W)