Intel Core i5 11400F 's Advantages
Released 2 years and 5 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Newer PCIe version (4.0 vs 3.0)
Lower TDP (65W vs 165W)
Intel Core i9 9920X 's Advantages
Larger memory bandwidth (85GB/s vs 50GB/s)
Higher base frequency (3.5GHz vs 2.6GHz)
Larger L3 cache size (19MB vs 12MB)