The sketch is simple, but we've seen similar sketches leak other smartphone designs before. Does this mean the leak is real? Of course not. In fact, there is some clear evidence that the sketch is false. That is to say, there are visible artifacts around the "G" sign, as well as the front and back cameras of mobile phones. That is to say, it seems to be a small enlarged image, and we can see similar artifacts around the Slash Leaks watermarking and the accompanying text, as well as the edge of the cell phone curve.
We still have a long waiting time before the actual Pixel 4XL prototype photos begin to leak, so we can't confirm or ignore the design sketch for the time being. If Google maintains its release style, the new Pixel4 and Pixel4XL smartphones will be released sometime in October.