The iPhone 16 Pro Max is the flagship model of the iPhone 16 series, boasting a 6.9-inch OLED XDR display, the largest in iPhone history. Its dimensions are 163mm x 77.6mm x 8.25mm, making it larger and slightly thicker than the iPhone 16 Plus, which has a 6.7-inch display and measures 160.9mm x 77.8mm x 7.8mm. The Pro Max features a Grade 5 titanium frame, offering a premium and durable build, while the Plus comes with an aluminum frame, making it lighter but less robust.