Intel Core i5 7640X 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (42.7GB/s vs 38.4GB/s)
Higher base frequency (4.0GHz vs 2.9GHz)
Intel Core i7 7700T 's Advantages
Integrated graphics card
Larger L3 cache size (8MB vs 6MB)
Lower TDP (35W vs 112W)