Core i7 8700K vs. Ryzen 7 1800X For NVIDIA/Radeon Linux Gaming

Following last week's look at using the new "Coffee Lake" Intel Core i3 / i5 / i7 CPUs for Linux gaming comparison among our other ongoing tests of these new "8th Gen" processors, a frequent request has been a closer look at the gaming performance between the Core i7 8700K and the Ryzen 7 1800X. Here's a look with two AMD Radeon graphics cards and two NVIDIA GeForce offerings.