The iPhone 15 may be set to see some sizeable upgrades, including a bump to 8 GB of RAM, a periscope camera, and more, according to Taiwan-based TrendForce. However, these improved specs may be reserved for the iPhone 15 Pro Max, while the standard iPhone 15 Pro will be similar to the current iPhone 14 Pro.https://www.notebookcheck.net/iPhone-15-may-get-8-GB-RAM-and-periscope-camera.665021.0.html
Finally, an OK amount of RAM. And no, iOS is not magic.