The iPhone 18 Pro Max and Samsung Galaxy S26 Ultra are among the most advanced smartphones available today, offering similar screen sizes and high-end features but with distinct design choices, camera capabilities, and additional functions. Both devices feature a 6.9-inch display, though the iPhone 18 Pro Max has slightly rounded edges, while the Galaxy S26 Ultra has a more squared-off shape. The Galaxy S26 Ultra is lighter at 214 grams and thinner at 7.9 mm compared to the iPhone 18 Pro Max’s 249 grams and 8.75 mm thickness. In terms of displays, the iPhone 18 Pro Max uses an OLED panel with a resolution of 2,868 by 1,320 pixels and a 120Hz refresh rate, capable of reaching up to 3,000 nits of brightness. The Galaxy S26 Ultra, on the other hand, features a slightly higher-resolution AMOLED screen at 3,120 by 1,440 pixels, but its maximum brightness is 2,600 nits. The Galaxy S26 Ultra also includes the S Pen stylus, a feature not available on the iPhone 18 Pro Max. While Apple’s Pencil can be used with the iPhone, it requires the more expensive iPhone Duo model. Camera capabilities are one of the key differences between the two phones. The iPhone 18 Pro Max has a three-lens system with 48-megapixel sensors and a variable aperture, allowing users more creative control over their photos. The Galaxy S26 Ultra, however, boasts a 200-megapixel main sensor, a 50-megapixel ultra-wide sensor, and two telephoto lenses for 3x and 5x zoom—more than the iPhone’s single 4x zoom lens. Both phones can record 4K video, but the Galaxy S26 Ultra also supports 8K recording. Both devices have similar battery capacities, around 5,000 mAh, and fast charging capabilities, reaching 50% charge in about 15 minutes using a 60W charger. Performance-wise, the Galaxy S26 Ultra is powered by a 3-nanometer Snapdragon 8 Elite Gen 5 chip, while the iPhone 18 Pro Max uses Apple’s new 2-nanometer A20 Pro chip. The Galaxy S26 Ultra also offers more RAM options, with 12GB or 16GB, compared to the iPhone’s 12GB across all models. Biometric authentication differs, with the iPhone using Face ID and the Galaxy S26 Ultra employing an in-screen fingerprint reader. Design-wise, the iPhone retains the Dynamic Island, now smaller, while the Galaxy S26 Ultra uses a punch-hole camera design. Both phones start at $1,299 for the 256GB model in the U.S., and the choice between them often depends on personal preferences, ecosystem integration, and specific features such as the S Pen or variable aperture.