PS5 exclusives such as Gran Turismo 7 and Marvel's Spider-Man: Miles Morales are going to be part of one of the key factors for the next-gen console's success. A PlayStation executive has been discussing the performance abilities of the PlayStation 5, stating that "the loading times will be next to nothing" for games like GT7.
https://www.notebookcheck.net/PS5-exclusives-like-Gran-Turismo-7-will-banish-long-loading-times-and-use-every-single-technological-enhancement-of-the-PlayStation-5-to-ensure-its-success.476666.0.html