Intel Core i5 8400T 's Advantages
Better graphics card performance
Higher specification of memory (DDR4-2666 vs DDR4-2400)
Larger memory bandwidth (41.6GB/s vs 37.5GB/s)
Larger L3 cache size (9MB vs 4MB)
Lower TDP (35W vs 58W)
Intel Pentium Gold G5400 's Advantages
Higher base frequency (3.7GHz vs 1.7GHz)