The recent leak strongly suggests the Pixelbook will feature at least one model with an Intel Core i5 processor, and it will be available in 128GB, 256GB, and 512GB models.
Based on what we know about the internal components, we suspect the Pixelbook will be based on Intel’s recently released eighth-generation Core i5 “U” processors. Here’s a brief rundown of the processor options Google may be using in the Pixelbook, it’s unlikely it will feature an Intel Core i7 processor, but Google’s surprised us in the past. Have a peek at the full Intel Core “U” lineup: