Intel Core i7 7740X 's Advantages
Larger memory bandwidth (42.7GB/s vs 41.6GB/s)
Higher base frequency (4.3GHz vs 3.0GHz)
Intel Core i7 9700 's Advantages
Released 1 years and 11 months late
Integrated graphics card
Larger L3 cache size (12MB vs 8MB)
Lower TDP (65W vs 112W)