As it is the custom, Apple’s iPhone 13 Pro Max is an enlarged version of the 13 Pro. So the specs remains exactly the same, but the screen is bigger, and so does the battery and consequently, the phones dimensions and weight. Now the screen is pushed from 6.1-inches on the Pro model to 6.7-inches on the Pro Max, and the resolution is now 1284 x 2778 pixels, resulting to an impressive 458 pixels per inch.