They’re illustrating how hot the chip will run when you use their included cooling solution.

My favorite part about these pictures is that it has hardly any relation to the thing they’re selling. There is no iceberg-looking illuminated pretend IC with more circuit board traces on top, for some reason.

But the reason they do it is because it helps make a sale. Some people quite literally will choose this product because “ooh shiny rendered picture.”

Here’s a real picture of a QCC5124: