Intel Core i5 10400 's Advantages
Better graphics card performance
Intel Core i3 14100 's Advantages
Released 3 years and 8 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)
Higher base frequency (3.5GHz vs 2.9GHz)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (60W vs 65W)