Intel Core i5 11400 's Advantages
Released 4 years and 10 months late
Integrated graphics card
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4.0 vs 3.0)
Lower TDP (65W vs 140W)
Intel Core i7 6800K 's Advantages
Larger memory bandwidth (76.8GB/s vs 50GB/s)
Higher base frequency (3.4GHz vs 2.6GHz)
Larger L3 cache size (15MB vs 12MB)