Intel Core i7 7700 's Advantages
Integrated graphics card
Higher base frequency (3.6GHz vs 3.5GHz)
Lower TDP (65W vs 140W)
Intel Core i7 7800X 's Advantages
Higher specification of memory (DDR4-2400 vs DDR4-2400)
Larger memory bandwidth (79.47GB/s vs 35.76GB/s)