The size of the iPhone Pro Max varies slightly by generation, but here are details for recent models:

• iPhone 14 Pro Max : Height 6.33 inches (160.7 mm), width 3.05 inches (77.6 mm), depth 0.31 inches (7.85 mm), weight 8.47 oz (240 g). Screen size is 6.69 inches diagonal with a resolution of 2796 x 1290 pixels at 460 ppi

• iPhone 13 Pro Max : Height 6.33 inches (160.8 mm), width 3.07 inches (78.1 mm), depth 0.3 inches (7.65 mm), weight 8.46 oz (240 g). Screen size is 6.7 inches diagonal with a resolution of 2778 x 1284 pixels at 458 ppi

• iPhone 16 Pro Max (newest model): It is the largest iPhone ever made, with a weight of 7.99 ounces (227 grams). Exact dimensions are not fully detailed in the search results, but it is noted for its larger size and longest battery life among iPhones

In summary, the Pro Max models generally have a height around 6.33 inches, width about 3.05 to 3.07 inches, depth around 0.3 to 0.31 inches, and screen sizes close to 6.7 inches diagonally. The iPhone 16 Pro Max is the largest and slightly lighter than previous Pro Max models.