Here are the performances of the different Intel Core i7 processors:
Average of the last 250 results for each processor, on Geekbench 4.
The most attractive
Intel did an amazing job with the Intel Core i7-8700K. It exceeds the 5960X and follows the 6900K. All that for a reduced price. The most impressive is that it exceeds the 7740X on the simple core. It becomes the best processor for the game and globally an excellent versatile processor. Probably the right one if you have an old processor and want to refresh your tower. It is almost twice as powerful as the 3770K and three times more powerful than the 860.
The most powerful
The Intel Core i7-6950X remains far ahead. It has long been the flagship processor of the Intel brand. It allows you to use advanced softwares without much difficulty. The release of Intel Core i9 has seen its price decline drastically.