I can only compare it to Stable Diffusion. But Imagen2 seems significant more advanced.
Try to do anything with text and SDxl. It's not easy and often messes up. I don't think you can get a clean logo with multiple text areas on sdxl.
Look at the prompt and image of the robin. That is mighty impressive.
I wouldn't say this until we are able to try it for ourselves. As we know, Google is prone to severe cherry picking and deceptive marketing.