Intel Core i9 7900X 's Advantages
Larger memory bandwidth (79.47GB/s vs 50GB/s)
Higher base frequency (3.3GHz vs 2.5GHz)
Intel Core i7 11700 's Advantages
Released 3 years and 10 months late
Integrated graphics card
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (16MB vs 14MB)
Lower TDP (65W vs 140W)