Intel Core i5 11400F 's Advantages
Released 3 years and 10 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4.0 vs 3.0)
Lower TDP (65W vs 140W)
Intel Core i9 7900X 's Advantages
Larger memory bandwidth (79.47GB/s vs 50GB/s)
Higher base frequency (3.3GHz vs 2.6GHz)
Larger L3 cache size (14MB vs 12MB)