The Aero 15-Y9 is over $1000 more expensive than the Aero 15-X9 and yet both configurations perform about the same in all of our tests. Is there really a reason to get the pricier version? Based on our numbers, the less expensive Aero 15-X9 is the better option by a very wide margin.
https://www.notebookcheck.net/Gigabyte-Aero-15-X9-vs-Aero-15-Y9-you-may-want-to-reconsider-the-RTX-2080-Max-Q-SKU.415067.0.html