Intel Core i7 6800K 's Advantages
Larger memory bandwidth (76.8GB/s vs 50GB/s)
Higher base frequency (3.4GHz vs 2.8GHz)
Larger L3 cache size (15MB vs 12MB)
Intel Core i5 11600 '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)