I have an i7-4790K. I was wondering if it would be bottlenecking graphics cards like the GTX 1070 and up. Could someone explain what it is in a CPU that causes the bottleneck? Is it the amount of cores or their speed? I want to know so I can decide about parts in the future.
If my gpu now has 6/8 pin pcie power connectors and the gpu that I want is only 8-pin, can i just use that 8 pin from the original and leave the other one unplugged?