Intel Core i5 10400F 's Advantages
Higher base frequency (2.9GHz vs 2.1GHz)
Intel Core i7 14700F 's Advantages
Released 3 years and 8 months late
Higher specification of memory (DDR5-5600 vs DDR4-2666)
Larger memory bandwidth (89.6GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (33MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)