Intel Core i9 10900K 's Advantages
Higher base frequency (3.7GHz vs 2.8GHz)
Larger L3 cache size (20MB vs 12MB)
Intel Core i5 11600 's Advantages
Released 10 months late
Better graphics card performance
Higher specification of memory (DDR4-3200 vs DDR4-2933)
Larger memory bandwidth (50GB/s vs 45.8GB/s)
Newer PCIe version (4.0 vs 3.0)
Lower TDP (65W vs 125W)