The Intel warning isn’t about the CPU, but rather the graphics card - it’s okay if there’s an Intel there, too, but there can be issues if the only graphics card is the Intel. My personal PC has an Intel and an NVIDIA.
The big thing is to make sure you have a 3D-class graphics card. The links below will tell you more.
Please visit this forum post written by one of our greatest legends, Jody for some good shake-down items that will help you demystify what you really need to look at (and what you don’t) when purchasing or upgrading a computer. Here is a link to the forum post: Hardware Recommendations - Community Feedback
We also have a very comprehensive list of minimum and recommended system requirements in our Help Center article located here: SketchUp Hardware and Software Requirements | SketchUp Help