Intel Core i7 9800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 50GB/s)
Higher base frequency (3.8GHz vs 2.5GHz)
Larger L3 cache size (17MB vs 16MB)
Intel Core i7 11700 's Advantages
Released 2 years and 5 months late
Integrated graphics card
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4.0 vs 3.0)
Lower TDP (65W vs 165W)