Intel Core i5 7640X 's Advantages
Larger memory bandwidth (42.7GB/s vs 41.6GB/s)
Larger L3 cache size (6MB vs 4MB)
Intel Pentium Gold G6600 's Advantages
Released 3 years late
Integrated graphics card
Higher base frequency (4.2GHz vs 4.0GHz)
Lower TDP (58W vs 112W)