Regardless of how much RAM is in a new M1 iPad Pro, no single app can use more than around 5GB right now because of an Apple-imposed limitation.12.9-inch iPad Pro (2021)Even though the new M1-based 12.9-inch iPad Pro with the maximum 16GB RAM, Apple prevents any app using it all. In iPadOS, the most that any one app can utilize is approximately 5GB.Read more
