Intel Core i7 8700T 's Advantages
Better graphics card performance
Lower TDP (35W vs 65W)
Intel Core i5 13400E 's Advantages
Released 4 years and 9 months late
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (20MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)