Intel Core i5 6600 's Advantages
Integrated graphics card
Intel Core i3 9100F 's Advantages
Released 3 years and 7 months late
Higher specification of memory (DDR4-2400 vs DDR4-2133)
Larger memory bandwidth (37.5GB/s vs 34.1GB/s)
Higher base frequency (3.6GHz vs 3.3GHz)