Intel Core i9 9900 's Advantages
Released 2 years and 11 months late
Integrated graphics card
Higher specification of memory (2666 vs 2133)
Larger L3 cache size (16MB vs 15MB)
Lower TDP (65W vs 140W)
Intel Core i7 6850K 's Advantages
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Higher base frequency (3.6GHz vs 3.1GHz)